2565115 has 16 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1735776.

The previous prime is 2565109. The next prime is 2565139. The reversal of 2565115 is 5115652.

It is not a de Polignac number, because 2565115 - 2¹⁹ = 2040827 is a prime.

2565115 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2565115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

2^2565115 is an apocalyptic number.

2565115 is a deficient number, since it is larger than the sum of its proper divisors (999173).

2565115 is an equidigital number, since it uses as much as digits as its factorization.

2565115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 1500, while the sum is 25.

The square root of 2565115 is about 1601.5976398584. The cubic root of 2565115 is about 136.8891247769.

The spelling of 2565115 in words is "two million, five hundred sixty-five thousand, one hundred fifteen".