25500050525 has 12 divisors (see below), whose sum is σ = 32640065664. Its totient is φ = 19741974000.

The previous prime is 25500050509. The next prime is 25500050531. The reversal of 25500050525 is 52505000552.

It is a happy number.

It is not a de Polignac number, because 25500050525 - 2⁴ = 25500050509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16450871 + ... + 16452420.

It is an arithmetic number, because the mean of its divisors is an integer number (2720005472).

Almost surely, 2^25500050525 is an apocalyptic number.

25500050525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25500050525 is a deficient number, since it is larger than the sum of its proper divisors (7140015139).

25500050525 is a wasteful number, since it uses less digits than its factorization.

25500050525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32903332 (or 32903327 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 25500050525 in words is "twenty-five billion, five hundred million, fifty thousand, five hundred twenty-five".