624859 has 2 divisors, whose sum is σ = 624860. Its totient is φ = 624858.

The previous prime is 624851. The next prime is 624917. The reversal of 624859 is 958426.

It is a happy number.

624859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624859 - 2³ = 624851 is a prime.

It is not a weakly prime, because it can be changed into another prime (624851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312429 + 312430.

It is an arithmetic number, because the mean of its divisors is an integer number (312430).

2⁶²⁴⁸⁵⁹ is an apocalyptic number.

624859 is a deficient number, since it is larger than the sum of its proper divisors (1).

624859 is an equidigital number, since it uses as much as digits as its factorization.

624859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 624859 is about 790.4802337820. The cubic root of 624859 is about 85.4923673407.

The spelling of 624859 in words is "six hundred twenty-four thousand, eight hundred fifty-nine".