531663039 has 6 divisors (see below), whose sum is σ = 767957736. Its totient is φ = 354442020.

The previous prime is 531663029. The next prime is 531663071. The reversal of 531663039 is 930366135.

531663039 is a `hidden beast` number, since 5 + 3 + 16 + 630 + 3 + 9 = 666.

It is not a de Polignac number, because 531663039 - 2⁸ = 531662783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531662994 and 531663012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531663029) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 29536827 + ... + 29536844.

It is an arithmetic number, because the mean of its divisors is an integer number (127992956).

Almost surely, 2^531663039 is an apocalyptic number.

531663039 is a deficient number, since it is larger than the sum of its proper divisors (236294697).

531663039 is a wasteful number, since it uses less digits than its factorization.

531663039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59073677 (or 59073674 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 531663039 is about 23057.8194762644. The cubic root of 531663039 is about 810.1127917920.

The spelling of 531663039 in words is "five hundred thirty-one million, six hundred sixty-three thousand, thirty-nine".