425323531 has 8 divisors (see below), whose sum is σ = 448203600. Its totient is φ = 402492960.

The previous prime is 425323523. The next prime is 425323553. The reversal of 425323531 is 135323524.

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

It is not a de Polignac number, because 425323531 - 2³ = 425323523 is a prime.

It is a super-2 number, since 2×425323531² = 361800212044615922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425323531.

It is not an unprimeable number, because it can be changed into a prime (425323501) 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, 5985 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (56025450).

Almost surely, 2^425323531 is an apocalyptic number.

425323531 is a deficient number, since it is larger than the sum of its proper divisors (22880069).

425323531 is a wasteful number, since it uses less digits than its factorization.

425323531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749.

The product of its digits is 10800, while the sum is 28.

The square root of 425323531 is about 20623.3734146478. The cubic root of 425323531 is about 752.0380308168.

The spelling of 425323531 in words is "four hundred twenty-five million, three hundred twenty-three thousand, five hundred thirty-one".