918813125 has 20 divisors (see below), whose sum is σ = 1155155232. Its totient is φ = 730566000.

The previous prime is 918813089. The next prime is 918813149. The reversal of 918813125 is 521318819.

It is not a de Polignac number, because 918813125 - 2²⁴ = 902035909 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99974 + ... + 108776.

Almost surely, 2^918813125 is an apocalyptic number.

It is an amenable number.

918813125 is a deficient number, since it is larger than the sum of its proper divisors (236342107).

918813125 is an equidigital number, since it uses as much as digits as its factorization.

918813125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990 (or 8975 counting only the distinct ones).

The product of its digits is 17280, while the sum is 38.

The square root of 918813125 is about 30311.9304070196. The cubic root of 918813125 is about 972.1704066111.

The spelling of 918813125 in words is "nine hundred eighteen million, eight hundred thirteen thousand, one hundred twenty-five".