654196931 has 4 divisors (see below), whose sum is σ = 654318000. Its totient is φ = 654075864.

The previous prime is 654196927. The next prime is 654196957. The reversal of 654196931 is 139691456.

654196931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654196931 - 2² = 654196927 is a prime.

It is a super-2 number, since 2×654196931² = 855947249059637522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654196031) 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, 52031 + ... + 63368.

It is an arithmetic number, because the mean of its divisors is an integer number (163579500).

Almost surely, 2^654196931 is an apocalyptic number.

654196931 is a deficient number, since it is larger than the sum of its proper divisors (121069).

654196931 is a wasteful number, since it uses less digits than its factorization.

654196931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121068.

The product of its digits is 174960, while the sum is 44.

The square root of 654196931 is about 25577.2737210204. The cubic root of 654196931 is about 868.0994894527.

The spelling of 654196931 in words is "six hundred fifty-four million, one hundred ninety-six thousand, nine hundred thirty-one".