579961 has 2 divisors, whose sum is σ = 579962. Its totient is φ = 579960.

The previous prime is 579949. The next prime is 579967. The reversal of 579961 is 169975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360000 + 219961 = 600^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 579961 - 2¹⁹ = 55673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 579961.

It is not a weakly prime, because it can be changed into another prime (579967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289980 + 289981.

It is an arithmetic number, because the mean of its divisors is an integer number (289981).

2⁵⁷⁹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

579961 is a deficient number, since it is larger than the sum of its proper divisors (1).

579961 is an equidigital number, since it uses as much as digits as its factorization.

579961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 579961 is about 761.5517054015. The cubic root of 579961 is about 83.3936399024.

It can be divided in two parts, 579 and 961, that added together give a triangular number (1540 = T₅₅).

The spelling of 579961 in words is "five hundred seventy-nine thousand, nine hundred sixty-one".