791313537 has 32 divisors (see below), whose sum is σ = 1219774464. Its totient is φ = 446976000.

The previous prime is 791313529. The next prime is 791313553. The reversal of 791313537 is 735313197.

791313537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 791313537 - 2³ = 791313529 is a prime.

It is a super-2 number, since 2×791313537² = 1252354227678900738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 791313495 and 791313504.

It is not an unprimeable number, because it can be changed into a prime (791313527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814462 + ... + 815432.

It is an arithmetic number, because the mean of its divisors is an integer number (38117952).

Almost surely, 2^791313537 is an apocalyptic number.

It is an amenable number.

791313537 is a deficient number, since it is larger than the sum of its proper divisors (428460927).

791313537 is a wasteful number, since it uses less digits than its factorization.

791313537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389.

The product of its digits is 59535, while the sum is 39.

The square root of 791313537 is about 28130.2957147628. The cubic root of 791313537 is about 924.9456162816.

The spelling of 791313537 in words is "seven hundred ninety-one million, three hundred thirteen thousand, five hundred thirty-seven".