25525755 has 48 divisors (see below), whose sum is σ = 47702304. Its totient is φ = 12579840.

The previous prime is 25525733. The next prime is 25525757. The reversal of 25525755 is 55752552.

25525755 is a `hidden beast` number, since 2 + 552 + 57 + 55 = 666.

It is not a de Polignac number, because 25525755 - 2⁵ = 25525723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46392 + ... + 46938.

It is an arithmetic number, because the mean of its divisors is an integer number (993798).

Almost surely, 2^25525755 is an apocalyptic number.

25525755 is a deficient number, since it is larger than the sum of its proper divisors (22176549).

25525755 is a wasteful number, since it uses less digits than its factorization.

25525755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 633 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 25525755 is about 5052.3019505964. The cubic root of 25525755 is about 294.4373263841.

The spelling of 25525755 in words is "twenty-five million, five hundred twenty-five thousand, seven hundred fifty-five".