604720031 has 2 divisors, whose sum is σ = 604720032. Its totient is φ = 604720030.

The previous prime is 604720021. The next prime is 604720033. The reversal of 604720031 is 130027406.

604720031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 604720031 - 2¹⁰ = 604719007 is a prime.

It is a super-2 number, since 2×604720031² = 731372631785281922, which contains 22 as substring.

Together with 604720033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 604719979 and 604720006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604720033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302360015 + 302360016.

It is an arithmetic number, because the mean of its divisors is an integer number (302360016).

Almost surely, 2^604720031 is an apocalyptic number.

604720031 is a deficient number, since it is larger than the sum of its proper divisors (1).

604720031 is an equidigital number, since it uses as much as digits as its factorization.

604720031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 604720031 is about 24591.0559147020. The cubic root of 604720031 is about 845.6385733588.

Adding to 604720031 its reverse (130027406), we get a palindrome (734747437).

The spelling of 604720031 in words is "six hundred four million, seven hundred twenty thousand, thirty-one".