25002525051 has 24 divisors (see below), whose sum is σ = 41282223840. Its totient is φ = 14284313856.

The previous prime is 25002525047. The next prime is 25002525083. The reversal of 25002525051 is 15052520052.

It is not a de Polignac number, because 25002525051 - 2² = 25002525047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25002525091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302965 + ... + 376553.

It is an arithmetic number, because the mean of its divisors is an integer number (1720092660).

Almost surely, 2^25002525051 is an apocalyptic number.

25002525051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25002525051 is a deficient number, since it is larger than the sum of its proper divisors (16279698789).

25002525051 is a wasteful number, since it uses less digits than its factorization.

25002525051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78995 (or 78992 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 25002525051 in words is "twenty-five billion, two million, five hundred twenty-five thousand, fifty-one".