125370613 has 2 divisors, whose sum is σ = 125370614. Its totient is φ = 125370612.

The previous prime is 125370589. The next prime is 125370643. The reversal of 125370613 is 316073521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106028209 + 19342404 = 10297^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 125370613 - 2²⁵ = 91816181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125370643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62685306 + 62685307.

It is an arithmetic number, because the mean of its divisors is an integer number (62685307).

Almost surely, 2^125370613 is an apocalyptic number.

It is an amenable number.

125370613 is a deficient number, since it is larger than the sum of its proper divisors (1).

125370613 is an equidigital number, since it uses as much as digits as its factorization.

125370613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 125370613 is about 11196.9019375897. The cubic root of 125370613 is about 500.4936630997.

The spelling of 125370613 in words is "one hundred twenty-five million, three hundred seventy thousand, six hundred thirteen".