5131732513 has 2 divisors, whose sum is σ = 5131732514. Its totient is φ = 5131732512.

The previous prime is 5131732511. The next prime is 5131732537. The reversal of 5131732513 is 3152371315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4952922129 + 178810384 = 70377^2 + 13372^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131732513 - 2¹ = 5131732511 is a prime.

Together with 5131732511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5131732511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565866256 + 2565866257.

It is an arithmetic number, because the mean of its divisors is an integer number (2565866257).

Almost surely, 2^5131732513 is an apocalyptic number.

It is an amenable number.

5131732513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131732513 is an equidigital number, since it uses as much as digits as its factorization.

5131732513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 31.

The square root of 5131732513 is about 71636.1117942620. Note that the first 3 decimals coincide. The cubic root of 5131732513 is about 1724.8632546366.

The spelling of 5131732513 in words is "five billion, one hundred thirty-one million, seven hundred thirty-two thousand, five hundred thirteen".