604561679 has 2 divisors, whose sum is σ = 604561680. Its totient is φ = 604561678.

The previous prime is 604561651. The next prime is 604561747. The reversal of 604561679 is 976165406.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604561679 - 2²⁰ = 603513103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604561649) 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, 302280839 + 302280840.

It is an arithmetic number, because the mean of its divisors is an integer number (302280840).

Almost surely, 2^604561679 is an apocalyptic number.

604561679 is a deficient number, since it is larger than the sum of its proper divisors (1).

604561679 is an equidigital number, since it uses as much as digits as its factorization.

604561679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 604561679 is about 24587.8359966875. The cubic root of 604561679 is about 845.5647539368.

The spelling of 604561679 in words is "six hundred four million, five hundred sixty-one thousand, six hundred seventy-nine".