Search a number
-
+
2553357725 = 52157650537
BaseRepresentation
bin1001100000110001…
…0010010110011101
320120221121000022122
42120030102112131
520212124421400
61101211152325
7120163116422
oct23014222635
96527530278
102553357725
1110a03384a6
125b31456a5
13318cc1c79
141a317dd49
15ee26a685
hex9831259d

2553357725 has 12 divisors (see below), whose sum is σ = 3186335124. Its totient is φ = 2029672320.

The previous prime is 2553357701. The next prime is 2553357727. The reversal of 2553357725 is 5277533552.

It can be written as a sum of positive squares in 6 ways, for example, as 383102329 + 2170255396 = 19573^2 + 46586^2 .

It is not a de Polignac number, because 2553357725 - 214 = 2553341341 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553357727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321344 + ... + 329193.

It is an arithmetic number, because the mean of its divisors is an integer number (265527927).

Almost surely, 22553357725 is an apocalyptic number.

2553357725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2553357725 is a deficient number, since it is larger than the sum of its proper divisors (632977399).

2553357725 is a wasteful number, since it uses less digits than its factorization.

2553357725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650704 (or 650699 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 44.

The square root of 2553357725 is about 50530.7601862470. The cubic root of 2553357725 is about 1366.7965939996.

The spelling of 2553357725 in words is "two billion, five hundred fifty-three million, three hundred fifty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 157 785 3925 650537 3252685 16263425 102134309 510671545 2553357725