811713201 has 8 divisors (see below), whose sum is σ = 1165536960. Its totient is φ = 499515792.

The previous prime is 811713181. The next prime is 811713211. The reversal of 811713201 is 102317118.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 811713201 - 2⁹ = 811712689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (811713211) 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, 10406541 + ... + 10406618.

It is an arithmetic number, because the mean of its divisors is an integer number (145692120).

Almost surely, 2^811713201 is an apocalyptic number.

It is an amenable number.

811713201 is a deficient number, since it is larger than the sum of its proper divisors (353823759).

811713201 is a wasteful number, since it uses less digits than its factorization.

811713201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813175.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 811713201 is about 28490.5809172084. The cubic root of 811713201 is about 932.8264882296.

The spelling of 811713201 in words is "eight hundred eleven million, seven hundred thirteen thousand, two hundred one".