5312632613 has 2 divisors, whose sum is σ = 5312632614. Its totient is φ = 5312632612.

The previous prime is 5312632609. The next prime is 5312632643. The reversal of 5312632613 is 3162362135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4086022084 + 1226610529 = 63922^2 + 35023^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312632613 - 2² = 5312632609 is a prime.

It is a super-2 number, since 2×5312632613² = 56448130561422415538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5312632613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312632643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656316306 + 2656316307.

It is an arithmetic number, because the mean of its divisors is an integer number (2656316307).

Almost surely, 2^5312632613 is an apocalyptic number.

It is an amenable number.

5312632613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312632613 is an equidigital number, since it uses as much as digits as its factorization.

5312632613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 5312632613 is about 72887.8083975640. The cubic root of 5312632613 is about 1744.8975304563.

Adding to 5312632613 its reverse (3162362135), we get a palindrome (8474994748).

The spelling of 5312632613 in words is "five billion, three hundred twelve million, six hundred thirty-two thousand, six hundred thirteen".