620259 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 392288.

The previous prime is 620251. The next prime is 620261. The reversal of 620259 is 952026.

It is a cyclic number.

It is not a de Polignac number, because 620259 - 2³ = 620251 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620259.

It is not an unprimeable number, because it can be changed into a prime (620251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7432 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁶²⁰²⁵⁹ is an apocalyptic number.

620259 is a deficient number, since it is larger than the sum of its proper divisors (250653).

620259 is a wasteful number, since it uses less digits than its factorization.

620259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 620259 is about 787.5652353932. The cubic root of 620259 is about 85.2820618245.

The spelling of 620259 in words is "six hundred twenty thousand, two hundred fifty-nine".