5215176813 has 32 divisors (see below), whose sum is σ = 8673426432. Its totient is φ = 2707920000.

The previous prime is 5215176809. The next prime is 5215176817. The reversal of 5215176813 is 3186715125.

It is an interprime number because it is at equal distance from previous prime (5215176809) and next prime (5215176817).

It is not a de Polignac number, because 5215176813 - 2² = 5215176809 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215176817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689470 + ... + 696992.

It is an arithmetic number, because the mean of its divisors is an integer number (271044576).

Almost surely, 2^5215176813 is an apocalyptic number.

It is an amenable number.

5215176813 is a deficient number, since it is larger than the sum of its proper divisors (3458249619).

5215176813 is a wasteful number, since it uses less digits than its factorization.

5215176813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545.

The product of its digits is 50400, while the sum is 39.

The square root of 5215176813 is about 72216.1811022987. The cubic root of 5215176813 is about 1734.1620542076.

The spelling of 5215176813 in words is "five billion, two hundred fifteen million, one hundred seventy-six thousand, eight hundred thirteen".