2490589 has 2 divisors, whose sum is σ = 2490590. Its totient is φ = 2490588.

The previous prime is 2490583. The next prime is 2490599. The reversal of 2490589 is 9850942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 195364 = 1515^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490589 - 2⁷ = 2490461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2490583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245294 + 1245295.

It is an arithmetic number, because the mean of its divisors is an integer number (1245295).

2^2490589 is an apocalyptic number.

It is an amenable number.

2490589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490589 is an equidigital number, since it uses as much as digits as its factorization.

2490589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2490589 is about 1578.1600045623. The cubic root of 2490589 is about 135.5503641248.

The spelling of 2490589 in words is "two million, four hundred ninety thousand, five hundred eighty-nine".