604704137 has 2 divisors, whose sum is σ = 604704138. Its totient is φ = 604704136.

The previous prime is 604704101. The next prime is 604704169. The reversal of 604704137 is 731407406.

It is a happy number.

It is an a-pointer prime, because the next prime (604704169) can be obtained adding 604704137 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385101376 + 219602761 = 19624^2 + 14819^2 .

It is a cyclic number.

It is not a de Polignac number, because 604704137 - 2⁸ = 604703881 is a prime.

It is not a weakly prime, because it can be changed into another prime (604709137) 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, 302352068 + 302352069.

It is an arithmetic number, because the mean of its divisors is an integer number (302352069).

Almost surely, 2^604704137 is an apocalyptic number.

It is an amenable number.

604704137 is a deficient number, since it is larger than the sum of its proper divisors (1).

604704137 is an equidigital number, since it uses as much as digits as its factorization.

604704137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 604704137 is about 24590.7327463010. The cubic root of 604704137 is about 845.6311645875.

The spelling of 604704137 in words is "six hundred four million, seven hundred four thousand, one hundred thirty-seven".