531533025 has 81 divisors (see below), whose sum is σ = 1004950219. Its totient is φ = 268544640.

The previous prime is 531532997. The next prime is 531533039. The reversal of 531533025 is 520335135.

The square root of 531533025 is 23055.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 207100881 + 324432144 = 14391^2 + 18012^2 .

It is not a de Polignac number, because 531533025 - 2⁵ = 531532993 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 531533025.

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 80 ways as a sum of consecutive naturals, for example, 10028899 + ... + 10028951.

Almost surely, 2^531533025 is an apocalyptic number.

531533025 is the 23055-th square number.

531533025 is the 11528-th centered octagonal number.

It is an amenable number.

531533025 is a deficient number, since it is larger than the sum of its proper divisors (473417194).

531533025 is a wasteful number, since it uses less digits than its factorization.

531533025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The cubic root of 531533025 is about 810.0467508453.

The spelling of 531533025 in words is "five hundred thirty-one million, five hundred thirty-three thousand, twenty-five".