604260509 has 2 divisors, whose sum is σ = 604260510. Its totient is φ = 604260508.

The previous prime is 604260499. The next prime is 604260511. The reversal of 604260509 is 905062406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314069284 + 290191225 = 17722^2 + 17035^2 .

It is a cyclic number.

It is not a de Polignac number, because 604260509 - 2¹² = 604256413 is a prime.

Together with 604260511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604260589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302130254 + 302130255.

It is an arithmetic number, because the mean of its divisors is an integer number (302130255).

Almost surely, 2^604260509 is an apocalyptic number.

It is an amenable number.

604260509 is a deficient number, since it is larger than the sum of its proper divisors (1).

604260509 is an equidigital number, since it uses as much as digits as its factorization.

604260509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 604260509 is about 24581.7108639736. The cubic root of 604260509 is about 845.4243210443.

The spelling of 604260509 in words is "six hundred four million, two hundred sixty thousand, five hundred nine".