598642589 has 2 divisors, whose sum is σ = 598642590. Its totient is φ = 598642588.

The previous prime is 598642549. The next prime is 598642591. The reversal of 598642589 is 985246895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582401689 + 16240900 = 24133^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 598642589 - 2¹⁶ = 598577053 is a prime.

Together with 598642591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (598642549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299321294 + 299321295.

It is an arithmetic number, because the mean of its divisors is an integer number (299321295).

Almost surely, 2^598642589 is an apocalyptic number.

It is an amenable number.

598642589 is a deficient number, since it is larger than the sum of its proper divisors (1).

598642589 is an equidigital number, since it uses as much as digits as its factorization.

598642589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 56.

The square root of 598642589 is about 24467.1737027389. The cubic root of 598642589 is about 842.7961379452.

The spelling of 598642589 in words is "five hundred ninety-eight million, six hundred forty-two thousand, five hundred eighty-nine".