2630565 has 36 divisors (see below), whose sum is σ = 5308524. Its totient is φ = 1201536.

The previous prime is 2630557. The next prime is 2630587. The reversal of 2630565 is 5650362.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 1483524 = 1071^2 + 1218^2 .

It is not a de Polignac number, because 2630565 - 2³ = 2630557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1609 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (147459).

2^2630565 is an apocalyptic number.

It is an amenable number.

2630565 is an abundant number, since it is smaller than the sum of its proper divisors (2677959).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630565 is a wasteful number, since it uses less digits than its factorization.

2630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2630565 is about 1621.9016616306. The cubic root of 2630565 is about 138.0436220004.

The spelling of 2630565 in words is "two million, six hundred thirty thousand, five hundred sixty-five".