425325531 has 4 divisors (see below), whose sum is σ = 567100712. Its totient is φ = 283550352.

The previous prime is 425325497. The next prime is 425325541. The reversal of 425325531 is 135523524.

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

It is not a de Polignac number, because 425325531 - 2¹⁰ = 425324507 is a prime.

It is a super-2 number, since 2×425325531² = 361803614640863922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425325541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70887586 + ... + 70887591.

It is an arithmetic number, because the mean of its divisors is an integer number (141775178).

Almost surely, 2^425325531 is an apocalyptic number.

425325531 is a deficient number, since it is larger than the sum of its proper divisors (141775181).

425325531 is a wasteful number, since it uses less digits than its factorization.

425325531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141775180.

The product of its digits is 18000, while the sum is 30.

The square root of 425325531 is about 20623.4219032633. The cubic root of 425325531 is about 752.0392095851.

The spelling of 425325531 in words is "four hundred twenty-five million, three hundred twenty-five thousand, five hundred thirty-one".