2159265 has 16 divisors (see below), whose sum is σ = 3540096. Its totient is φ = 1123200.

The previous prime is 2159251. The next prime is 2159281. The reversal of 2159265 is 5629512.

It is a happy number.

It is not a de Polignac number, because 2159265 - 2⁴ = 2159249 is a prime.

2159265 is a lucky 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, 1141 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (221256).

2^2159265 is an apocalyptic number.

It is an amenable number.

2159265 is a deficient number, since it is larger than the sum of its proper divisors (1380831).

2159265 is a wasteful number, since it uses less digits than its factorization.

2159265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560.

The product of its digits is 5400, while the sum is 30.

The square root of 2159265 is about 1469.4437723166. The cubic root of 2159265 is about 129.2514176136.

The spelling of 2159265 in words is "two million, one hundred fifty-nine thousand, two hundred sixty-five".