656425354 has 8 divisors (see below), whose sum is σ = 1060379460. Its totient is φ = 302965536.

The previous prime is 656425333. The next prime is 656425381. The reversal of 656425354 is 453524656.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 641254329 + 15171025 = 25323^2 + 3895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12623539 + ... + 12623590.

Almost surely, 2^656425354 is an apocalyptic number.

656425354 is a deficient number, since it is larger than the sum of its proper divisors (403954106).

656425354 is a wasteful number, since it uses less digits than its factorization.

656425354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25247144.

The product of its digits is 432000, while the sum is 40.

The square root of 656425354 is about 25620.7992459252. The cubic root of 656425354 is about 869.0840556208.

The spelling of 656425354 in words is "six hundred fifty-six million, four hundred twenty-five thousand, three hundred fifty-four".