531626117 has 16 divisors (see below), whose sum is σ = 606528000. Its totient is φ = 461247600.

The previous prime is 531626113. The next prime is 531626129. The reversal of 531626117 is 711626135.

It is not a de Polignac number, because 531626117 - 2² = 531626113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531626113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124142 + ... + 128352.

It is an arithmetic number, because the mean of its divisors is an integer number (37908000).

Almost surely, 2^531626117 is an apocalyptic number.

It is an amenable number.

531626117 is a deficient number, since it is larger than the sum of its proper divisors (74901883).

531626117 is a wasteful number, since it uses less digits than its factorization.

531626117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744.

The product of its digits is 7560, while the sum is 32.

The square root of 531626117 is about 23057.0188229094. The cubic root of 531626117 is about 810.0940382615.

The spelling of 531626117 in words is "five hundred thirty-one million, six hundred twenty-six thousand, one hundred seventeen".