2645265 has 48 divisors (see below), whose sum is σ = 5088960. Its totient is φ = 1169280.

The previous prime is 2645263. The next prime is 2645267. The reversal of 2645265 is 5625462.

It is an interprime number because it is at equal distance from previous prime (2645263) and next prime (2645267).

It is not a de Polignac number, because 2645265 - 2¹ = 2645263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43335 + ... + 43395.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

2^2645265 is an apocalyptic number.

It is an amenable number.

2645265 is a deficient number, since it is larger than the sum of its proper divisors (2443695).

2645265 is a wasteful number, since it uses less digits than its factorization.

2645265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 135 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2645265 is about 1626.4270656872. The cubic root of 2645265 is about 138.3002808083.

The spelling of 2645265 in words is "two million, six hundred forty-five thousand, two hundred sixty-five".