624993073 has 2 divisors, whose sum is σ = 624993074. Its totient is φ = 624993072.

The previous prime is 624993043. The next prime is 624993091. The reversal of 624993073 is 370399426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513838224 + 111154849 = 22668^2 + 10543^2 .

It is a cyclic number.

It is not a de Polignac number, because 624993073 - 2¹⁷ = 624862001 is a prime.

It is not a weakly prime, because it can be changed into another prime (624993043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312496536 + 312496537.

It is an arithmetic number, because the mean of its divisors is an integer number (312496537).

Almost surely, 2^624993073 is an apocalyptic number.

It is an amenable number.

624993073 is a deficient number, since it is larger than the sum of its proper divisors (1).

624993073 is an equidigital number, since it uses as much as digits as its factorization.

624993073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 624993073 is about 24999.8614596161. The cubic root of 624993073 is about 854.9848146591.

The spelling of 624993073 in words is "six hundred twenty-four million, nine hundred ninety-three thousand, seventy-three".