624313673 has 2 divisors, whose sum is σ = 624313674. Its totient is φ = 624313672.

The previous prime is 624313639. The next prime is 624313709. The reversal of 624313673 is 376313426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424854544 + 199459129 = 20612^2 + 14123^2 .

It is a cyclic number.

It is not a de Polignac number, because 624313673 - 2²⁸ = 355878217 is a prime.

It is not a weakly prime, because it can be changed into another prime (624312673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312156836 + 312156837.

It is an arithmetic number, because the mean of its divisors is an integer number (312156837).

Almost surely, 2^624313673 is an apocalyptic number.

It is an amenable number.

624313673 is a deficient number, since it is larger than the sum of its proper divisors (1).

624313673 is an equidigital number, since it uses as much as digits as its factorization.

624313673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 624313673 is about 24986.2696895715. The cubic root of 624313673 is about 854.6748980022.

The spelling of 624313673 in words is "six hundred twenty-four million, three hundred thirteen thousand, six hundred seventy-three".