604289197 has 2 divisors, whose sum is σ = 604289198. Its totient is φ = 604289196.

The previous prime is 604289177. The next prime is 604289221. The reversal of 604289197 is 791982406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307967401 + 296321796 = 17549^2 + 17214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604289197 is a prime.

It is a super-2 number, since 2×604289197² = 730330867221809618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604289177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302144598 + 302144599.

It is an arithmetic number, because the mean of its divisors is an integer number (302144599).

Almost surely, 2^604289197 is an apocalyptic number.

It is an amenable number.

604289197 is a deficient number, since it is larger than the sum of its proper divisors (1).

604289197 is an equidigital number, since it uses as much as digits as its factorization.

604289197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 604289197 is about 24582.2943803055. The cubic root of 604289197 is about 845.4377000140.

The spelling of 604289197 in words is "six hundred four million, two hundred eighty-nine thousand, one hundred ninety-seven".