25075503525 has 12 divisors (see below), whose sum is σ = 41458165952. Its totient is φ = 13373601840.

The previous prime is 25075503521. The next prime is 25075503547. The reversal of 25075503525 is 52530557052.

It is not a de Polignac number, because 25075503525 - 2² = 25075503521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25075503521) 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, 167169949 + ... + 167170098.

Almost surely, 2^25075503525 is an apocalyptic number.

25075503525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25075503525 is a deficient number, since it is larger than the sum of its proper divisors (16382662427).

25075503525 is a wasteful number, since it uses less digits than its factorization.

25075503525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334340060 (or 334340055 counting only the distinct ones).

The product of its (nonzero) digits is 262500, while the sum is 39.

The spelling of 25075503525 in words is "twenty-five billion, seventy-five million, five hundred three thousand, five hundred twenty-five".