425661504 has 56 divisors (see below), whose sum is σ = 1192487328. Its totient is φ = 133539840.

The previous prime is 425661473. The next prime is 425661517. The reversal of 425661504 is 405166524.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61942 + ... + 68469.

Almost surely, 2^425661504 is an apocalyptic number.

It is an amenable number.

425661504 is an abundant number, since it is smaller than the sum of its proper divisors (766825824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425661504 is a wasteful number, since it uses less digits than its factorization.

425661504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130443 (or 130433 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 425661504 is about 20631.5657185779. The cubic root of 425661504 is about 752.2371743217.

The spelling of 425661504 in words is "four hundred twenty-five million, six hundred sixty-one thousand, five hundred four".