2605913 has 12 divisors (see below), whose sum is σ = 2829312. Its totient is φ = 2399040.

The previous prime is 2605909. The next prime is 2605927. The reversal of 2605913 is 3195062.

It is not a de Polignac number, because 2605913 - 2² = 2605909 is a prime.

It is a super-3 number, since 3×2605913³ = 53088565687733350491, which contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2605943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20456 + ... + 20582.

It is an arithmetic number, because the mean of its divisors is an integer number (235776).

2^2605913 is an apocalyptic number.

It is an amenable number.

2605913 is a deficient number, since it is larger than the sum of its proper divisors (223399).

2605913 is a wasteful number, since it uses less digits than its factorization.

2605913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 215 counting only the distinct ones).

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

The square root of 2605913 is about 1614.2840518323. The cubic root of 2605913 is about 137.6110485821.

The spelling of 2605913 in words is "two million, six hundred five thousand, nine hundred thirteen".