425604 has 24 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 136864.

The previous prime is 425603. The next prime is 425609. The reversal of 425604 is 406524.

It is a happy number.

It is a super-2 number, since 2×425604² = 362277529632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425603) 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, 264 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁴²⁵⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

425604 is an abundant number, since it is smaller than the sum of its proper divisors (602556).

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

425604 is a wasteful number, since it uses less digits than its factorization.

425604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 425604 is about 652.3833229015. The cubic root of 425604 is about 75.2203298739.

The spelling of 425604 in words is "four hundred twenty-five thousand, six hundred four".