656554413 has 4 divisors (see below), whose sum is σ = 875405888. Its totient is φ = 437702940.

The previous prime is 656554369. The next prime is 656554417. The reversal of 656554413 is 314455656.

656554413 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 656554413 - 2⁹ = 656553901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656554417) 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, 109425733 + ... + 109425738.

It is an arithmetic number, because the mean of its divisors is an integer number (218851472).

Almost surely, 2^656554413 is an apocalyptic number.

It is an amenable number.

656554413 is a deficient number, since it is larger than the sum of its proper divisors (218851475).

656554413 is a wasteful number, since it uses less digits than its factorization.

656554413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218851474.

The product of its digits is 216000, while the sum is 39.

The square root of 656554413 is about 25623.3177594159. The cubic root of 656554413 is about 869.1410084124.

The spelling of 656554413 in words is "six hundred fifty-six million, five hundred fifty-four thousand, four hundred thirteen".