2265515 has 16 divisors (see below), whose sum is σ = 3172800. Its totient is φ = 1552320.

The previous prime is 2265499. The next prime is 2265517. The reversal of 2265515 is 5155622.

It is not a de Polignac number, because 2265515 - 2⁴ = 2265499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (198300).

2^2265515 is an apocalyptic number.

2265515 is a deficient number, since it is larger than the sum of its proper divisors (907285).

2265515 is an equidigital number, since it uses as much as digits as its factorization.

2265515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1333 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 2265515 is about 1505.1627818944. The cubic root of 2265515 is about 131.3375711883.

The spelling of 2265515 in words is "two million, two hundred sixty-five thousand, five hundred fifteen".