125452013 has 2 divisors, whose sum is σ = 125452014. Its totient is φ = 125452012.

The previous prime is 125452001. The next prime is 125452021. The reversal of 125452013 is 310254521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76073284 + 49378729 = 8722^2 + 7027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125452013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125452013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125452513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62726006 + 62726007.

It is an arithmetic number, because the mean of its divisors is an integer number (62726007).

Almost surely, 2^125452013 is an apocalyptic number.

It is an amenable number.

125452013 is a deficient number, since it is larger than the sum of its proper divisors (1).

125452013 is an equidigital number, since it uses as much as digits as its factorization.

125452013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125452013 is about 11200.5362818037. The cubic root of 125452013 is about 500.6019589999.

The spelling of 125452013 in words is "one hundred twenty-five million, four hundred fifty-two thousand, thirteen".