2605473313 has 2 divisors, whose sum is σ = 2605473314. Its totient is φ = 2605473312.

The previous prime is 2605473263. The next prime is 2605473319. The reversal of 2605473313 is 3133745062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1670520384 + 934952929 = 40872^2 + 30577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2605473313 - 2⁹ = 2605472801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2605473319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302736656 + 1302736657.

It is an arithmetic number, because the mean of its divisors is an integer number (1302736657).

Almost surely, 2^2605473313 is an apocalyptic number.

It is an amenable number.

2605473313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605473313 is an equidigital number, since it uses as much as digits as its factorization.

2605473313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 2605473313 is about 51043.8371696329. The cubic root of 2605473313 is about 1376.0330859588.

The spelling of 2605473313 in words is "two billion, six hundred five million, four hundred seventy-three thousand, three hundred thirteen".