604825913 has 2 divisors, whose sum is σ = 604825914. Its totient is φ = 604825912.

The previous prime is 604825901. The next prime is 604825937. The reversal of 604825913 is 319528406.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371255824 + 233570089 = 19268^2 + 15283^2 .

It is a cyclic number.

It is not a de Polignac number, because 604825913 - 2²⁰ = 603777337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (604825213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302412956 + 302412957.

It is an arithmetic number, because the mean of its divisors is an integer number (302412957).

Almost surely, 2^604825913 is an apocalyptic number.

It is an amenable number.

604825913 is a deficient number, since it is larger than the sum of its proper divisors (1).

604825913 is an equidigital number, since it uses as much as digits as its factorization.

604825913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 604825913 is about 24593.2086763806. The cubic root of 604825913 is about 845.6879254962.

The spelling of 604825913 in words is "six hundred four million, eight hundred twenty-five thousand, nine hundred thirteen".