604560689 has 2 divisors, whose sum is σ = 604560690. Its totient is φ = 604560688.

The previous prime is 604560679. The next prime is 604560721. The reversal of 604560689 is 986065406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575184289 + 29376400 = 23983^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 604560689 - 2¹² = 604556593 is a prime.

It is not a weakly prime, because it can be changed into another prime (604560659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302280344 + 302280345.

It is an arithmetic number, because the mean of its divisors is an integer number (302280345).

Almost surely, 2^604560689 is an apocalyptic number.

It is an amenable number.

604560689 is a deficient number, since it is larger than the sum of its proper divisors (1).

604560689 is an equidigital number, since it uses as much as digits as its factorization.

604560689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 604560689 is about 24587.8158647733. The cubic root of 604560689 is about 845.5642923850.

The spelling of 604560689 in words is "six hundred four million, five hundred sixty thousand, six hundred eighty-nine".