654815113 has 4 divisors (see below), whose sum is σ = 655827840. Its totient is φ = 653802388.

The previous prime is 654815101. The next prime is 654815123. The reversal of 654815113 is 311518456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 654815113 - 2²⁵ = 621260681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654815123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505393 + ... + 506686.

It is an arithmetic number, because the mean of its divisors is an integer number (163956960).

Almost surely, 2^654815113 is an apocalyptic number.

It is an amenable number.

654815113 is a deficient number, since it is larger than the sum of its proper divisors (1012727).

654815113 is a wasteful number, since it uses less digits than its factorization.

654815113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012726.

The product of its digits is 14400, while the sum is 34.

The square root of 654815113 is about 25589.3554627701. The cubic root of 654815113 is about 868.3728396263.

The spelling of 654815113 in words is "six hundred fifty-four million, eight hundred fifteen thousand, one hundred thirteen".