656130373 has 2 divisors, whose sum is σ = 656130374. Its totient is φ = 656130372.

The previous prime is 656130359. The next prime is 656130389. The reversal of 656130373 is 373031656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652138369 + 3992004 = 25537^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 656130373 - 2²⁹ = 119259461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656130473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328065186 + 328065187.

It is an arithmetic number, because the mean of its divisors is an integer number (328065187).

Almost surely, 2^656130373 is an apocalyptic number.

It is an amenable number.

656130373 is a deficient number, since it is larger than the sum of its proper divisors (1).

656130373 is an equidigital number, since it uses as much as digits as its factorization.

656130373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 656130373 is about 25615.0419285232. The cubic root of 656130373 is about 868.9538546300.

The spelling of 656130373 in words is "six hundred fifty-six million, one hundred thirty thousand, three hundred seventy-three".