125305597 has 2 divisors, whose sum is σ = 125305598. Its totient is φ = 125305596.

The previous prime is 125305591. The next prime is 125305639. The reversal of 125305597 is 795503521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 36832761 = 9406^2 + 6069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125305597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125305591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62652798 + 62652799.

It is an arithmetic number, because the mean of its divisors is an integer number (62652799).

Almost surely, 2^125305597 is an apocalyptic number.

It is an amenable number.

125305597 is a deficient number, since it is larger than the sum of its proper divisors (1).

125305597 is an equidigital number, since it uses as much as digits as its factorization.

125305597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 125305597 is about 11193.9982579952. The cubic root of 125305597 is about 500.4071310653.

The spelling of 125305597 in words is "one hundred twenty-five million, three hundred five thousand, five hundred ninety-seven".