425931 has 8 divisors (see below), whose sum is σ = 619584. Its totient is φ = 258120.

The previous prime is 425911. The next prime is 425939. The reversal of 425931 is 139524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425931 - 2⁵ = 425899 is a prime.

It is a super-2 number, since 2×425931² = 362834433522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (425939) 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, 6421 + ... + 6486.

It is an arithmetic number, because the mean of its divisors is an integer number (77448).

2⁴²⁵⁹³¹ is an apocalyptic number.

425931 is a deficient number, since it is larger than the sum of its proper divisors (193653).

425931 is a wasteful number, since it uses less digits than its factorization.

425931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921.

The product of its digits is 1080, while the sum is 24.

The square root of 425931 is about 652.6338943083. The cubic root of 425931 is about 75.2395893664.

The spelling of 425931 in words is "four hundred twenty-five thousand, nine hundred thirty-one".