656453051 has 4 divisors (see below), whose sum is σ = 684994512. Its totient is φ = 627911592.

The previous prime is 656453033. The next prime is 656453087. The reversal of 656453051 is 150354656.

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

It is not a de Polignac number, because 656453051 - 2⁶ = 656452987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656456051) 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, 14270696 + ... + 14270741.

It is an arithmetic number, because the mean of its divisors is an integer number (171248628).

Almost surely, 2^656453051 is an apocalyptic number.

656453051 is a deficient number, since it is larger than the sum of its proper divisors (28541461).

656453051 is a wasteful number, since it uses less digits than its factorization.

656453051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28541460.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 656453051 is about 25621.3397581001. The cubic root of 656453051 is about 869.0962787332.

The spelling of 656453051 in words is "six hundred fifty-six million, four hundred fifty-three thousand, fifty-one".