624266243 has 2 divisors, whose sum is σ = 624266244. Its totient is φ = 624266242.

The previous prime is 624266239. The next prime is 624266249. The reversal of 624266243 is 342662426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624266243 - 2² = 624266239 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (624266249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312133121 + 312133122.

It is an arithmetic number, because the mean of its divisors is an integer number (312133122).

Almost surely, 2^624266243 is an apocalyptic number.

624266243 is a deficient number, since it is larger than the sum of its proper divisors (1).

624266243 is an equidigital number, since it uses as much as digits as its factorization.

624266243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The square root of 624266243 is about 24985.3205502751. The cubic root of 624266243 is about 854.6532538305.

The spelling of 624266243 in words is "six hundred twenty-four million, two hundred sixty-six thousand, two hundred forty-three".