25027555025 has 24 divisors (see below), whose sum is σ = 34332320448. Its totient is φ = 17945480000.

The previous prime is 25027554953. The next prime is 25027555039. The reversal of 25027555025 is 52055572052.

It is not a de Polignac number, because 25027555025 - 2¹⁰ = 25027554001 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25027555025.

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, 621386 + ... + 660435.

It is an arithmetic number, because the mean of its divisors is an integer number (1430513352).

Almost surely, 2^25027555025 is an apocalyptic number.

25027555025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25027555025 is a deficient number, since it is larger than the sum of its proper divisors (9304765423).

25027555025 is a wasteful number, since it uses less digits than its factorization.

25027555025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281913 (or 1281908 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 38.

The spelling of 25027555025 in words is "twenty-five billion, twenty-seven million, five hundred fifty-five thousand, twenty-five".