531771272 has 36 divisors (see below), whose sum is σ = 1034204535. Its totient is φ = 256330320.

The previous prime is 531771269. The next prime is 531771277. The reversal of 531771272 is 272177135.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 265885636 + 265885636 = 16306^2 + 16306^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=16306.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531771277) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2021813 + ... + 2022075.

Almost surely, 2^531771272 is an apocalyptic number.

It is an amenable number.

531771272 is a deficient number, since it is larger than the sum of its proper divisors (502433263).

531771272 is an equidigital number, since it uses as much as digits as its factorization.

531771272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 296 counting only the distinct ones).

The product of its digits is 20580, while the sum is 35.

The square root of 531771272 is about 23060.1663480557. The cubic root of 531771272 is about 810.1677608119.

The spelling of 531771272 in words is "five hundred thirty-one million, seven hundred seventy-one thousand, two hundred seventy-two".