656130379 has 4 divisors (see below), whose sum is σ = 656211520. Its totient is φ = 656049240.

The previous prime is 656130373. The next prime is 656130389. The reversal of 656130379 is 973031656.

656130379 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.

It is a cyclic number.

It is not a de Polignac number, because 656130379 - 2¹¹ = 656128331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656130373) 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, 26907 + ... + 45124.

It is an arithmetic number, because the mean of its divisors is an integer number (164052880).

Almost surely, 2^656130379 is an apocalyptic number.

656130379 is a deficient number, since it is larger than the sum of its proper divisors (81141).

656130379 is an equidigital number, since it uses as much as digits as its factorization.

656130379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81140.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 656130379 is about 25615.0420456419. The cubic root of 656130379 is about 868.9538572787.

The spelling of 656130379 in words is "six hundred fifty-six million, one hundred thirty thousand, three hundred seventy-nine".