801572913 has 12 divisors (see below), whose sum is σ = 1158977040. Its totient is φ = 533851416.

The previous prime is 801572903. The next prime is 801572927. The reversal of 801572913 is 319275108.

801572913 is a `hidden beast` number, since 80 + 1 + 572 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 801572913 - 2⁵ = 801572881 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (801572903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34531 + ... + 52872.

It is an arithmetic number, because the mean of its divisors is an integer number (96581420).

Almost surely, 2^801572913 is an apocalyptic number.

It is an amenable number.

801572913 is a deficient number, since it is larger than the sum of its proper divisors (357404127).

801572913 is a wasteful number, since it uses less digits than its factorization.

801572913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88428 (or 88425 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 801572913 is about 28312.0630297405. The cubic root of 801572913 is about 928.9257697080.

The spelling of 801572913 in words is "eight hundred one million, five hundred seventy-two thousand, nine hundred thirteen".