813113375 has 8 divisors (see below), whose sum is σ = 1014765648. Its totient is φ = 650490600.

The previous prime is 813113351. The next prime is 813113377. The reversal of 813113375 is 573311318.

813113375 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 813113375 - 2⁶ = 813113311 is a prime.

It is a super-2 number, since 2×813113375² = 1322306721207781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813113377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252329 + ... + 3252578.

It is an arithmetic number, because the mean of its divisors is an integer number (126845706).

Almost surely, 2^813113375 is an apocalyptic number.

813113375 is a deficient number, since it is larger than the sum of its proper divisors (201652273).

813113375 is an equidigital number, since it uses as much as digits as its factorization.

813113375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504922 (or 6504912 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 813113375 is about 28515.1429068837. The cubic root of 813113375 is about 933.3625433744.

The spelling of 813113375 in words is "eight hundred thirteen million, one hundred thirteen thousand, three hundred seventy-five".