624960013 has 2 divisors, whose sum is σ = 624960014. Its totient is φ = 624960012.

The previous prime is 624959999. The next prime is 624960029. The reversal of 624960013 is 310069426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347337769 + 277622244 = 18637^2 + 16662^2 .

It is a cyclic number.

It is not a de Polignac number, because 624960013 - 2⁵ = 624959981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624960113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312480006 + 312480007.

It is an arithmetic number, because the mean of its divisors is an integer number (312480007).

Almost surely, 2^624960013 is an apocalyptic number.

It is an amenable number.

624960013 is a deficient number, since it is larger than the sum of its proper divisors (1).

624960013 is an equidigital number, since it uses as much as digits as its factorization.

624960013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 624960013 is about 24999.2002472079. The cubic root of 624960013 is about 854.9697391340.

The spelling of 624960013 in words is "six hundred twenty-four million, nine hundred sixty thousand, thirteen".