125252513 has 2 divisors, whose sum is σ = 125252514. Its totient is φ = 125252512.

The previous prime is 125252473. The next prime is 125252521. The reversal of 125252513 is 315252521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124925329 + 327184 = 11177^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 125252513 - 2¹⁶ = 125186977 is a prime.

It is not a weakly prime, because it can be changed into another prime (125252563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62626256 + 62626257.

It is an arithmetic number, because the mean of its divisors is an integer number (62626257).

Almost surely, 2^125252513 is an apocalyptic number.

It is an amenable number.

125252513 is a deficient number, since it is larger than the sum of its proper divisors (1).

125252513 is an equidigital number, since it uses as much as digits as its factorization.

125252513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 26.

The square root of 125252513 is about 11191.6269147966. The cubic root of 125252513 is about 500.3364575419.

It can be divided in two parts, 12 and 5252513, that added together give a palindrome (5252525).

The spelling of 125252513 in words is "one hundred twenty-five million, two hundred fifty-two thousand, five hundred thirteen".