604703993 has 2 divisors, whose sum is σ = 604703994. Its totient is φ = 604703992.

The previous prime is 604703951. The next prime is 604704029. The reversal of 604703993 is 399307406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461734144 + 142969849 = 21488^2 + 11957^2 .

It is a cyclic number.

It is not a de Polignac number, because 604703993 - 2¹⁴ = 604687609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 604703993.

It is not a weakly prime, because it can be changed into another prime (604703893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302351996 + 302351997.

It is an arithmetic number, because the mean of its divisors is an integer number (302351997).

Almost surely, 2^604703993 is an apocalyptic number.

It is an amenable number.

604703993 is a deficient number, since it is larger than the sum of its proper divisors (1).

604703993 is an equidigital number, since it uses as much as digits as its factorization.

604703993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 604703993 is about 24590.7298183685. The cubic root of 604703993 is about 845.6310974633.

The spelling of 604703993 in words is "six hundred four million, seven hundred three thousand, nine hundred ninety-three".