621059 has 2 divisors, whose sum is σ = 621060. Its totient is φ = 621058.

The previous prime is 621043. The next prime is 621083. The reversal of 621059 is 950126.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 621059 - 2⁴ = 621043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (621029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310529 + 310530.

It is an arithmetic number, because the mean of its divisors is an integer number (310530).

2⁶²¹⁰⁵⁹ is an apocalyptic number.

621059 is a deficient number, since it is larger than the sum of its proper divisors (1).

621059 is an equidigital number, since it uses as much as digits as its factorization.

621059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 621059 is about 788.0729661649. The cubic root of 621059 is about 85.3187112126.

The spelling of 621059 in words is "six hundred twenty-one thousand, fifty-nine".