604504993 has 2 divisors, whose sum is σ = 604504994. Its totient is φ = 604504992.

The previous prime is 604504981. The next prime is 604505003. The reversal of 604504993 is 399405406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549996304 + 54508689 = 23452^2 + 7383^2 .

It is a cyclic number.

It is not a de Polignac number, because 604504993 - 2¹³ = 604496801 is a prime.

It is not a weakly prime, because it can be changed into another prime (604504933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302252496 + 302252497.

It is an arithmetic number, because the mean of its divisors is an integer number (302252497).

Almost surely, 2^604504993 is an apocalyptic number.

It is an amenable number.

604504993 is a deficient number, since it is larger than the sum of its proper divisors (1).

604504993 is an equidigital number, since it uses as much as digits as its factorization.

604504993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 604504993 is about 24586.6832452041. The cubic root of 604504993 is about 845.5383253228.

The spelling of 604504993 in words is "six hundred four million, five hundred four thousand, nine hundred ninety-three".