604868491 has 2 divisors, whose sum is σ = 604868492. Its totient is φ = 604868490.

The previous prime is 604868479. The next prime is 604868501. The reversal of 604868491 is 194868406.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 604868491 - 2⁹ = 604867979 is a prime.

It is not a weakly prime, because it can be changed into another prime (604868441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302434245 + 302434246.

It is an arithmetic number, because the mean of its divisors is an integer number (302434246).

Almost surely, 2^604868491 is an apocalyptic number.

604868491 is a deficient number, since it is larger than the sum of its proper divisors (1).

604868491 is an equidigital number, since it uses as much as digits as its factorization.

604868491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 604868491 is about 24594.0743066292. The cubic root of 604868491 is about 845.7077696942.

The spelling of 604868491 in words is "six hundred four million, eight hundred sixty-eight thousand, four hundred ninety-one".