531123325 has 12 divisors (see below), whose sum is σ = 659813920. Its totient is φ = 424110960.

The previous prime is 531123317. The next prime is 531123331. The reversal of 531123325 is 523321135.

It is not a de Polignac number, because 531123325 - 2³ = 531123317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 531123325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5745 + ... + 33094.

Almost surely, 2^531123325 is an apocalyptic number.

It is an amenable number.

531123325 is a deficient number, since it is larger than the sum of its proper divisors (128690595).

531123325 is a wasteful number, since it uses less digits than its factorization.

531123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39396 (or 39391 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 531123325 is about 23046.1130128271. The cubic root of 531123325 is about 809.8385722100.

The spelling of 531123325 in words is "five hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty-five".