624242593 has 4 divisors (see below), whose sum is σ = 672261268. Its totient is φ = 576223920.

The previous prime is 624242573. The next prime is 624242611. The reversal of 624242593 is 395242426.

624242593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223562304 + 400680289 = 14952^2 + 20017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624242593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624242573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24009318 + ... + 24009343.

It is an arithmetic number, because the mean of its divisors is an integer number (168065317).

Almost surely, 2^624242593 is an apocalyptic number.

It is an amenable number.

624242593 is a deficient number, since it is larger than the sum of its proper divisors (48018675).

624242593 is a wasteful number, since it uses less digits than its factorization.

624242593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48018674.

The product of its digits is 103680, while the sum is 37.

The square root of 624242593 is about 24984.8472678942. The cubic root of 624242593 is about 854.6424609971.

The spelling of 624242593 in words is "six hundred twenty-four million, two hundred forty-two thousand, five hundred ninety-three".