656313475 has 24 divisors (see below), whose sum is σ = 863167968. Its totient is φ = 493324800.

The previous prime is 656313473. The next prime is 656313479. The reversal of 656313475 is 574313656.

It is not a de Polignac number, because 656313475 - 2¹ = 656313473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656313473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376105 + ... + 377845.

It is an arithmetic number, because the mean of its divisors is an integer number (35965332).

Almost surely, 2^656313475 is an apocalyptic number.

656313475 is a deficient number, since it is larger than the sum of its proper divisors (206854493).

656313475 is a wasteful number, since it uses less digits than its factorization.

656313475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2650 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 656313475 is about 25618.6157900851. The cubic root of 656313475 is about 869.0346781966.

The spelling of 656313475 in words is "six hundred fifty-six million, three hundred thirteen thousand, four hundred seventy-five".