656050401 has 16 divisors (see below), whose sum is σ = 975446400. Its totient is φ = 435783024.

The previous prime is 656050397. The next prime is 656050453. The reversal of 656050401 is 104050656.

It is a happy number.

656050401 is a `hidden beast` number, since 656 + 0 + 5 + 0 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 656050401 - 2² = 656050397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (656050001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36381 + ... + 51338.

It is an arithmetic number, because the mean of its divisors is an integer number (60965400).

Almost surely, 2^656050401 is an apocalyptic number.

It is an amenable number.

656050401 is a deficient number, since it is larger than the sum of its proper divisors (319395999).

656050401 is a wasteful number, since it uses less digits than its factorization.

656050401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88005 (or 87999 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 656050401 is about 25613.4808450550. The cubic root of 656050401 is about 868.9185492476.

The spelling of 656050401 in words is "six hundred fifty-six million, fifty thousand, four hundred one".