604931 has 2 divisors, whose sum is σ = 604932. Its totient is φ = 604930.

The previous prime is 604907. The next prime is 604939. The reversal of 604931 is 139406.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 604931 - 2⁶ = 604867 is a prime.

It is a super-2 number, since 2×604931² = 731883029522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 604897 and 604906.

It is not a weakly prime, because it can be changed into another prime (604939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302465 + 302466.

It is an arithmetic number, because the mean of its divisors is an integer number (302466).

2⁶⁰⁴⁹³¹ is an apocalyptic number.

604931 is a deficient number, since it is larger than the sum of its proper divisors (1).

604931 is an equidigital number, since it uses as much as digits as its factorization.

604931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 604931 is about 777.7731031606. The cubic root of 604931 is about 84.5736901385.

The spelling of 604931 in words is "six hundred four thousand, nine hundred thirty-one".