25227275025 has 12 divisors (see below), whose sum is σ = 41709094832. Its totient is φ = 13454546640.

The previous prime is 25227274981. The next prime is 25227275083. The reversal of 25227275025 is 52057272252.

It is a happy number.

It is not a de Polignac number, because 25227275025 - 2¹⁰ = 25227274001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168181759 + ... + 168181908.

Almost surely, 2^25227275025 is an apocalyptic number.

25227275025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25227275025 is a deficient number, since it is larger than the sum of its proper divisors (16481819807).

25227275025 is a wasteful number, since it uses less digits than its factorization.

25227275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336363680 (or 336363675 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The spelling of 25227275025 in words is "twenty-five billion, two hundred twenty-seven million, two hundred seventy-five thousand, twenty-five".