531233713 has 4 divisors (see below), whose sum is σ = 532130148. Its totient is φ = 530337280.

The previous prime is 531233693. The next prime is 531233743. The reversal of 531233713 is 317332135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330076224 + 201157489 = 18168^2 + 14183^2 .

It is a cyclic number.

It is not a de Polignac number, because 531233713 - 2¹³ = 531225521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531233743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447328 + ... + 448513.

It is an arithmetic number, because the mean of its divisors is an integer number (133032537).

Almost surely, 2^531233713 is an apocalyptic number.

It is an amenable number.

531233713 is a deficient number, since it is larger than the sum of its proper divisors (896435).

531233713 is an equidigital number, since it uses as much as digits as its factorization.

531233713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896434.

The product of its digits is 5670, while the sum is 28.

The square root of 531233713 is about 23048.5078258876. The cubic root of 531233713 is about 809.8946735983.

Adding to 531233713 its reverse (317332135), we get a palindrome (848565848).

The spelling of 531233713 in words is "five hundred thirty-one million, two hundred thirty-three thousand, seven hundred thirteen".