616882589 has 2 divisors, whose sum is σ = 616882590. Its totient is φ = 616882588.

The previous prime is 616882579. The next prime is 616882603. The reversal of 616882589 is 985288616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489869689 + 127012900 = 22133^2 + 11270^2 .

It is a cyclic number.

It is not a de Polignac number, because 616882589 - 2⁴ = 616882573 is a prime.

It is a super-2 number, since 2×616882589² = 761088257222685842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 616882589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616882549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308441294 + 308441295.

It is an arithmetic number, because the mean of its divisors is an integer number (308441295).

Almost surely, 2^616882589 is an apocalyptic number.

It is an amenable number.

616882589 is a deficient number, since it is larger than the sum of its proper divisors (1).

616882589 is an equidigital number, since it uses as much as digits as its factorization.

616882589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 53.

The square root of 616882589 is about 24837.1211898642. The cubic root of 616882589 is about 851.2703445550.

The spelling of 616882589 in words is "six hundred sixteen million, eight hundred eighty-two thousand, five hundred eighty-nine".