2015265 has 32 divisors (see below), whose sum is σ = 3905280. Its totient is φ = 866304.

The previous prime is 2015213. The next prime is 2015267. The reversal of 2015265 is 5625102.

It is not a de Polignac number, because 2015265 - 2⁶ = 2015201 is a prime.

It is a super-2 number, since 2×2015265² = 8122586040450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2015267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1221 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (122040).

2^2015265 is an apocalyptic number.

It is an amenable number.

2015265 is a deficient number, since it is larger than the sum of its proper divisors (1890015).

2015265 is a wasteful number, since it uses less digits than its factorization.

2015265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2015265 is about 1419.6002958580. The cubic root of 2015265 is about 126.3118378241.

The spelling of 2015265 in words is "two million, fifteen thousand, two hundred sixty-five".