2605941 has 12 divisors (see below), whose sum is σ = 4053868. Its totient is φ = 1603584.

The previous prime is 2605931. The next prime is 2605943. The reversal of 2605941 is 1495062.

2605941 = 304² + 305² + ... + 329².

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 2480625 = 354^2 + 1575^2 .

It is not a de Polignac number, because 2605941 - 2⁵ = 2605909 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11020 + ... + 11253.

2^2605941 is an apocalyptic number.

It is an amenable number.

2605941 is a deficient number, since it is larger than the sum of its proper divisors (1447927).

2605941 is a wasteful number, since it uses less digits than its factorization.

2605941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22292 (or 22289 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2605941 is about 1614.2927243843. The cubic root of 2605941 is about 137.6115414479.

The spelling of 2605941 in words is "two million, six hundred five thousand, nine hundred forty-one".