125307613 has 2 divisors, whose sum is σ = 125307614. Its totient is φ = 125307612.

The previous prime is 125307601. The next prime is 125307617. The reversal of 125307613 is 316703521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122478489 + 2829124 = 11067^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 125307613 - 2⁹ = 125307101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125307617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62653806 + 62653807.

It is an arithmetic number, because the mean of its divisors is an integer number (62653807).

Almost surely, 2^125307613 is an apocalyptic number.

It is an amenable number.

125307613 is a deficient number, since it is larger than the sum of its proper divisors (1).

125307613 is an equidigital number, since it uses as much as digits as its factorization.

125307613 is an odious number, because the sum of its binary digits is odd.

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

The square root of 125307613 is about 11194.0883058872. The cubic root of 125307613 is about 500.4098146788.

The spelling of 125307613 in words is "one hundred twenty-five million, three hundred seven thousand, six hundred thirteen".