425808825 has 24 divisors (see below), whose sum is σ = 758159808. Its totient is φ = 209628480.

The previous prime is 425808811. The next prime is 425808863. The reversal of 425808825 is 528808524.

It is not a de Polignac number, because 425808825 - 2⁵ = 425808793 is a prime.

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, 217389 + ... + 219338.

It is an arithmetic number, because the mean of its divisors is an integer number (31589992).

Almost surely, 2^425808825 is an apocalyptic number.

It is an amenable number.

425808825 is a deficient number, since it is larger than the sum of its proper divisors (332350983).

425808825 is a wasteful number, since it uses less digits than its factorization.

425808825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436753 (or 436748 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 425808825 is about 20635.1356913397. The cubic root of 425808825 is about 752.3239471441.

The spelling of 425808825 in words is "four hundred twenty-five million, eight hundred eight thousand, eight hundred twenty-five".