25023633225 has 96 divisors (see below), whose sum is σ = 45357096960. Its totient is φ = 12118656000.

The previous prime is 25023633211. The next prime is 25023633241. The reversal of 25023633225 is 52233632052.

It is a happy number.

It is not a de Polignac number, because 25023633225 - 2¹⁹ = 25023108937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16560220 + ... + 16561730.

It is an arithmetic number, because the mean of its divisors is an integer number (472469760).

Almost surely, 2^25023633225 is an apocalyptic number.

25023633225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25023633225 is a deficient number, since it is larger than the sum of its proper divisors (20333463735).

25023633225 is a wasteful number, since it uses less digits than its factorization.

25023633225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 25023633225 in words is "twenty-five billion, twenty-three million, six hundred thirty-three thousand, two hundred twenty-five".