604239997 has 2 divisors, whose sum is σ = 604239998. Its totient is φ = 604239996.

The previous prime is 604239967. The next prime is 604240031. The reversal of 604239997 is 799932406.

604239997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436433881 + 167806116 = 20891^2 + 12954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604239997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 604239997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604239967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302119998 + 302119999.

It is an arithmetic number, because the mean of its divisors is an integer number (302119999).

Almost surely, 2^604239997 is an apocalyptic number.

It is an amenable number.

604239997 is a deficient number, since it is larger than the sum of its proper divisors (1).

604239997 is an equidigital number, since it uses as much as digits as its factorization.

604239997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 604239997 is about 24581.2936396765. The cubic root of 604239997 is about 845.4147547841.

The spelling of 604239997 in words is "six hundred four million, two hundred thirty-nine thousand, nine hundred ninety-seven".