Search a number
-
+
2525005525 = 52722299001
BaseRepresentation
bin1001011010000000…
…1000011011010101
320111222020120102011
42112200020123111
520132400134100
61054315344221
7116400123100
oct22640103325
96458216364
102525005525
111086333029
125a5752071
13313176013
1419d4bd737
15eba19bba
hex968086d5

2525005525 has 36 divisors (see below), whose sum is σ = 3658502820. Its totient is φ = 1723680000.

The previous prime is 2525005507. The next prime is 2525005543. The reversal of 2525005525 is 5255005252.

It is an interprime number because it is at equal distance from previous prime (2525005507) and next prime (2525005543).

It can be written as a sum of positive squares in 6 ways, for example, as 8076964 + 2516928561 = 2842^2 + 50169^2 .

It is not a de Polignac number, because 2525005525 - 25 = 2525005493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 276025 + ... + 285025.

Almost surely, 22525005525 is an apocalyptic number.

2525005525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525005525 is a deficient number, since it is larger than the sum of its proper divisors (1133497295).

2525005525 is a wasteful number, since it uses less digits than its factorization.

2525005525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254 (or 9242 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 2525005525 is about 50249.4330813791. The cubic root of 2525005525 is about 1361.7188339839.

The spelling of 2525005525 in words is "two billion, five hundred twenty-five million, five thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 229 245 1145 1225 1603 5725 8015 9001 11221 40075 45005 56105 63007 225025 280525 315035 441049 1575175 2061229 2205245 10306145 11026225 14428603 51530725 72143015 101000221 360715075 505001105 2525005525