25227097525 has 36 divisors (see below), whose sum is σ = 38304036480. Its totient is φ = 16388114400.

The previous prime is 25227097513. The next prime is 25227097561. The reversal of 25227097525 is 52579072252.

It is not a de Polignac number, because 25227097525 - 2²³ = 25218708917 is a prime.

It is a super-2 number, since 2×25227097525² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 518661 + ... + 565210.

Almost surely, 2^25227097525 is an apocalyptic number.

25227097525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25227097525 is a deficient number, since it is larger than the sum of its proper divisors (13076938955).

25227097525 is a wasteful number, since it uses less digits than its factorization.

25227097525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083914 (or 1083902 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 25227097525 in words is "twenty-five billion, two hundred twenty-seven million, ninety-seven thousand, five hundred twenty-five".