25213575025 has 24 divisors (see below), whose sum is σ = 31818642048. Its totient is φ = 19815600000.

The previous prime is 25213575017. The next prime is 25213575053. The reversal of 25213575025 is 52057531252.

It is not a de Polignac number, because 25213575025 - 2³ = 25213575017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473500 + ... + 524050.

It is an arithmetic number, because the mean of its divisors is an integer number (1325776752).

Almost surely, 2^25213575025 is an apocalyptic number.

25213575025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25213575025 is a deficient number, since it is larger than the sum of its proper divisors (6605067023).

25213575025 is a wasteful number, since it uses less digits than its factorization.

25213575025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50913 (or 50908 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 25213575025 in words is "twenty-five billion, two hundred thirteen million, five hundred seventy-five thousand, twenty-five".