624434087 has 2 divisors, whose sum is σ = 624434088. Its totient is φ = 624434086.

The previous prime is 624434047. The next prime is 624434099. The reversal of 624434087 is 780434426.

624434087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624434087 - 2¹² = 624429991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 624434087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624434047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312217043 + 312217044.

It is an arithmetic number, because the mean of its divisors is an integer number (312217044).

Almost surely, 2^624434087 is an apocalyptic number.

624434087 is a deficient number, since it is larger than the sum of its proper divisors (1).

624434087 is an equidigital number, since it uses as much as digits as its factorization.

624434087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 624434087 is about 24988.6791767792. The cubic root of 624434087 is about 854.7298427155.

The spelling of 624434087 in words is "six hundred twenty-four million, four hundred thirty-four thousand, eighty-seven".