25536125 has 32 divisors (see below), whose sum is σ = 34471008. Its totient is φ = 18816000.

The previous prime is 25536113. The next prime is 25536131. The reversal of 25536125 is 52163552.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 13935289 + 11600836 = 3733^2 + 3406^2 .

It is not a de Polignac number, because 25536125 - 2⁸ = 25535869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129527 + ... + 129723.

It is an arithmetic number, because the mean of its divisors is an integer number (1077219).

Almost surely, 2^25536125 is an apocalyptic number.

25536125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25536125 is a deficient number, since it is larger than the sum of its proper divisors (8934883).

25536125 is a wasteful number, since it uses less digits than its factorization.

25536125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 280 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 25536125 is about 5053.3281112550. The cubic root of 25536125 is about 294.4771933301.

Adding to 25536125 its reverse (52163552), we get a palindrome (77699677).

The spelling of 25536125 in words is "twenty-five million, five hundred thirty-six thousand, one hundred twenty-five".