624800243 has 2 divisors, whose sum is σ = 624800244. Its totient is φ = 624800242.

The previous prime is 624800207. The next prime is 624800263. The reversal of 624800243 is 342008426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624800243 - 2¹² = 624796147 is a prime.

It is not a weakly prime, because it can be changed into another prime (624800263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312400121 + 312400122.

It is an arithmetic number, because the mean of its divisors is an integer number (312400122).

Almost surely, 2^624800243 is an apocalyptic number.

624800243 is a deficient number, since it is larger than the sum of its proper divisors (1).

624800243 is an equidigital number, since it uses as much as digits as its factorization.

624800243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 624800243 is about 24996.0045407261. The cubic root of 624800243 is about 854.8968757217.

Adding to 624800243 its reverse (342008426), we get a palindrome (966808669).

The spelling of 624800243 in words is "six hundred twenty-four million, eight hundred thousand, two hundred forty-three".