2605313 has 2 divisors, whose sum is σ = 2605314. Its totient is φ = 2605312.

The previous prime is 2605303. The next prime is 2605319. The reversal of 2605313 is 3135062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 146689 = 1568^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2605313 - 2¹⁰ = 2604289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2605319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302656 + 1302657.

It is an arithmetic number, because the mean of its divisors is an integer number (1302657).

2^2605313 is an apocalyptic number.

It is an amenable number.

2605313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605313 is an equidigital number, since it uses as much as digits as its factorization.

2605313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2605313 is about 1614.0982002344. The cubic root of 2605313 is about 137.6004863253.

The spelling of 2605313 in words is "two million, six hundred five thousand, three hundred thirteen".