425538 has 24 divisors (see below), whose sum is σ = 943488. Its totient is φ = 138552.

The previous prime is 425533. The next prime is 425549. The reversal of 425538 is 835524.

425538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (425533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595 + ... + 1097.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁴²⁵⁵³⁸ is an apocalyptic number.

425538 is an abundant number, since it is smaller than the sum of its proper divisors (517950).

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

425538 is a wasteful number, since it uses less digits than its factorization.

425538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 425538 is about 652.3327371825. The cubic root of 425538 is about 75.2164414405.

The spelling of 425538 in words is "four hundred twenty-five thousand, five hundred thirty-eight".