425608 has 8 divisors (see below), whose sum is σ = 798030. Its totient is φ = 212800.

The previous prime is 425603. The next prime is 425609. The reversal of 425608 is 806524.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 114244 = 558^2 + 338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×425608² = 362284339328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425603) by changing a digit.

425608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26593 + ... + 26608.

2⁴²⁵⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

425608 is a deficient number, since it is larger than the sum of its proper divisors (372422).

425608 is a wasteful number, since it uses less digits than its factorization.

425608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53207 (or 53203 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 425608 is about 652.3863885766. The cubic root of 425608 is about 75.2205655236.

The spelling of 425608 in words is "four hundred twenty-five thousand, six hundred eight".