624020459 has 2 divisors, whose sum is σ = 624020460. Its totient is φ = 624020458.

The previous prime is 624020431. The next prime is 624020557. The reversal of 624020459 is 954020426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624020459 - 2²⁰ = 622971883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (624020759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312010229 + 312010230.

It is an arithmetic number, because the mean of its divisors is an integer number (312010230).

Almost surely, 2^624020459 is an apocalyptic number.

624020459 is a deficient number, since it is larger than the sum of its proper divisors (1).

624020459 is an equidigital number, since it uses as much as digits as its factorization.

624020459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 624020459 is about 24980.4014979744. The cubic root of 624020459 is about 854.5410753747.

The spelling of 624020459 in words is "six hundred twenty-four million, twenty thousand, four hundred fifty-nine".