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2501425 = 52100057
BaseRepresentation
bin1001100010101100110001
311201002022101
421202230301
51120021200
6125340401
730155533
oct11425461
94632271
102501425
1114593a3
12a07701
13697744
14491853
1534626a
hex262b31

2501425 has 6 divisors (see below), whose sum is σ = 3101798. Its totient is φ = 2001120.

The previous prime is 2501417. The next prime is 2501449. The reversal of 2501425 is 5241052.

It can be written as a sum of positive squares in 3 ways, for example, as 142129 + 2359296 = 377^2 + 1536^2 .

It is not a de Polignac number, because 2501425 - 23 = 2501417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50004 + ... + 50053.

22501425 is an apocalyptic number.

2501425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2501425 is a deficient number, since it is larger than the sum of its proper divisors (600373).

2501425 is a wasteful number, since it uses less digits than its factorization.

2501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100067 (or 100062 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2501425 is about 1581.5893904551. The cubic root of 2501425 is about 135.7466628991.

Adding to 2501425 its reverse (5241052), we get a palindrome (7742477).

It can be divided in two parts, 2501 and 425, that added together give a triangular number (2926 = T76).

The spelling of 2501425 in words is "two million, five hundred one thousand, four hundred twenty-five".

Divisors: 1 5 25 100057 500285 2501425