125304589 has 2 divisors, whose sum is σ = 125304590. Its totient is φ = 125304588.

The previous prime is 125304527. The next prime is 125304617. The reversal of 125304589 is 985403521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122877225 + 2427364 = 11085^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 125304589 - 2¹⁵ = 125271821 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 (125304689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62652294 + 62652295.

It is an arithmetic number, because the mean of its divisors is an integer number (62652295).

Almost surely, 2^125304589 is an apocalyptic number.

It is an amenable number.

125304589 is a deficient number, since it is larger than the sum of its proper divisors (1).

125304589 is an equidigital number, since it uses as much as digits as its factorization.

125304589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 125304589 is about 11193.9532337776. The cubic root of 125304589 is about 500.4057892477.

The spelling of 125304589 in words is "one hundred twenty-five million, three hundred four thousand, five hundred eighty-nine".