2605319 has 2 divisors, whose sum is σ = 2605320. Its totient is φ = 2605318.

The previous prime is 2605313. The next prime is 2605349. The reversal of 2605319 is 9135062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2605319 - 2⁴ = 2605303 is a prime.

It is a super-2 number, since 2×2605319² = 13575374183522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2605313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302659 + 1302660.

It is an arithmetic number, because the mean of its divisors is an integer number (1302660).

2^2605319 is an apocalyptic number.

2605319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605319 is an equidigital number, since it uses as much as digits as its factorization.

2605319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2605319 is about 1614.1000588563. The cubic root of 2605319 is about 137.6005919559.

The spelling of 2605319 in words is "two million, six hundred five thousand, three hundred nineteen".