604291 has 2 divisors, whose sum is σ = 604292. Its totient is φ = 604290.

The previous prime is 604277. The next prime is 604309. The reversal of 604291 is 192406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604291 - 2⁵ = 604259 is a prime.

It is a super-2 number, since 2×604291² = 730335225362, which contains 22 as substring.

It is equal to p₄₉₄₂₃ and since 604291 and 49423 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (601291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302145 + 302146.

It is an arithmetic number, because the mean of its divisors is an integer number (302146).

2⁶⁰⁴²⁹¹ is an apocalyptic number.

604291 is a deficient number, since it is larger than the sum of its proper divisors (1).

604291 is an equidigital number, since it uses as much as digits as its factorization.

604291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 604291 is about 777.3615632381. The cubic root of 604291 is about 84.5438540849.

Adding to 604291 its reverse (192406), we get a palindrome (796697).

The spelling of 604291 in words is "six hundred four thousand, two hundred ninety-one".