25255504527 has 16 divisors (see below), whose sum is σ = 36778085760. Its totient is φ = 15288530400.

The previous prime is 25255504493. The next prime is 25255504579. The reversal of 25255504527 is 72540555252.

It is not a de Polignac number, because 25255504527 - 2⁸ = 25255504271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255504327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417124 + ... + 473817.

It is an arithmetic number, because the mean of its divisors is an integer number (2298630360).

Almost surely, 2^25255504527 is an apocalyptic number.

25255504527 is a deficient number, since it is larger than the sum of its proper divisors (11522581233).

25255504527 is a wasteful number, since it uses less digits than its factorization.

25255504527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891814.

The product of its (nonzero) digits is 700000, while the sum is 42.

The spelling of 25255504527 in words is "twenty-five billion, two hundred fifty-five million, five hundred four thousand, five hundred twenty-seven".