5312540531 has 4 divisors (see below), whose sum is σ = 5313919632. Its totient is φ = 5311161432.

The previous prime is 5312540509. The next prime is 5312540561. The reversal of 5312540531 is 1350452135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5312540531 is a prime.

It is a super-2 number, since 2×5312540531² = 56446173787035523922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5312540494 and 5312540503.

It is not an unprimeable number, because it can be changed into a prime (5312540561) 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, 683756 + ... + 691481.

It is an arithmetic number, because the mean of its divisors is an integer number (1328479908).

Almost surely, 2^5312540531 is an apocalyptic number.

5312540531 is a deficient number, since it is larger than the sum of its proper divisors (1379101).

5312540531 is a wasteful number, since it uses less digits than its factorization.

5312540531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379100.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5312540531 is about 72887.1767254021. The cubic root of 5312540531 is about 1744.8874491656.

Adding to 5312540531 its reverse (1350452135), we get a palindrome (6662992666).

The spelling of 5312540531 in words is "five billion, three hundred twelve million, five hundred forty thousand, five hundred thirty-one".