425598 has 16 divisors (see below), whose sum is σ = 861840. Its totient is φ = 140096.

The previous prime is 425591. The next prime is 425603. The reversal of 425598 is 895524.

It is a super-2 number, since 2×425598² = 362267315208, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425591) by changing a digit.

425598 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 in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2⁴²⁵⁵⁹⁸ is an apocalyptic number.

425598 is an abundant number, since it is smaller than the sum of its proper divisors (436242).

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

425598 is a wasteful number, since it uses less digits than its factorization.

425598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 14400, while the sum is 33.

The square root of 425598 is about 652.3787243619. The cubic root of 425598 is about 75.2199763966.

The spelling of 425598 in words is "four hundred twenty-five thousand, five hundred ninety-eight".