531249608 has 36 divisors (see below), whose sum is σ = 1035309795. Its totient is φ = 255552640.

The previous prime is 531249529. The next prime is 531249613. The reversal of 531249608 is 806942135.

It is a happy number.

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 5 ways, for example, as 371024644 + 160224964 = 19262^2 + 12658^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=16298.

It is a super-2 number, since 2×531249608² = 564452292000307328, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1890428 + ... + 1890708.

Almost surely, 2^531249608 is an apocalyptic number.

531249608 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

531249608 is a deficient number, since it is larger than the sum of its proper divisors (504060187).

531249608 is an equidigital number, since it uses as much as digits as its factorization.

531249608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 531249608 is about 23048.8526395567. The cubic root of 531249608 is about 809.9027511150.

The spelling of 531249608 in words is "five hundred thirty-one million, two hundred forty-nine thousand, six hundred eight".