604189631 has 2 divisors, whose sum is σ = 604189632. Its totient is φ = 604189630.

The previous prime is 604189627. The next prime is 604189661. The reversal of 604189631 is 136981406.

604189631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604189631 - 2² = 604189627 is a prime.

It is a super-2 number, since 2×604189631² = 730090220415832322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604189601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302094815 + 302094816.

It is an arithmetic number, because the mean of its divisors is an integer number (302094816).

Almost surely, 2^604189631 is an apocalyptic number.

604189631 is a deficient number, since it is larger than the sum of its proper divisors (1).

604189631 is an equidigital number, since it uses as much as digits as its factorization.

604189631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 604189631 is about 24580.2691401050. The cubic root of 604189631 is about 845.3912644806.

Subtracting from 604189631 its reverse (136981406), we obtain a square (467208225 = 21615²).

The spelling of 604189631 in words is "six hundred four million, one hundred eighty-nine thousand, six hundred thirty-one".