425981604 has 24 divisors (see below), whose sum is σ = 994348768. Its totient is φ = 141937920.

The previous prime is 425981603. The next prime is 425981623. The reversal of 425981604 is 406189524.

It is not an unprimeable number, because it can be changed into a prime (425981603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34644 + ... + 45300.

Almost surely, 2^425981604 is an apocalyptic number.

It is an amenable number.

425981604 is an abundant number, since it is smaller than the sum of its proper divisors (568367164).

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

425981604 is a wasteful number, since it uses less digits than its factorization.

425981604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995 (or 13993 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 425981604 is about 20639.3217911830. The cubic root of 425981604 is about 752.4256893614.

The spelling of 425981604 in words is "four hundred twenty-five million, nine hundred eighty-one thousand, six hundred four".