425131 has 4 divisors (see below), whose sum is σ = 485872. Its totient is φ = 364392.

The previous prime is 425123. The next prime is 425147. The reversal of 425131 is 131524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 425131 - 2³ = 425123 is a prime.

It is a super-2 number, since 2×425131² = 361472734322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30360 + ... + 30373.

It is an arithmetic number, because the mean of its divisors is an integer number (121468).

2⁴²⁵¹³¹ is an apocalyptic number.

425131 is a deficient number, since it is larger than the sum of its proper divisors (60741).

425131 is an equidigital number, since it uses as much as digits as its factorization.

425131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60740.

The product of its digits is 120, while the sum is 16.

The square root of 425131 is about 652.0207051927. The cubic root of 425131 is about 75.1924538791.

Adding to 425131 its reverse (131524), we get a palindrome (556655).

The spelling of 425131 in words is "four hundred twenty-five thousand, one hundred thirty-one".