612589 has 2 divisors, whose sum is σ = 612590. Its totient is φ = 612588.

The previous prime is 612583. The next prime is 612611. The reversal of 612589 is 985216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 38025 = 758^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 612589 - 2¹¹ = 610541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 612589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612583) 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, 306294 + 306295.

It is an arithmetic number, because the mean of its divisors is an integer number (306295).

2⁶¹²⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

612589 is a deficient number, since it is larger than the sum of its proper divisors (1).

612589 is an equidigital number, since it uses as much as digits as its factorization.

612589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 612589 is about 782.6806500738. The cubic root of 612589 is about 84.9290757852.

The spelling of 612589 in words is "six hundred twelve thousand, five hundred eighty-nine".