28314265 has 32 divisors (see below), whose sum is σ = 42923520. Its totient is φ = 17470464.

The previous prime is 28314263. The next prime is 28314271. The reversal of 28314265 is 56241382.

It is a cyclic number.

It is not a de Polignac number, because 28314265 - 2¹ = 28314263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28314263) 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, 12651 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (1341360).

Almost surely, 2^28314265 is an apocalyptic number.

It is an amenable number.

28314265 is a deficient number, since it is larger than the sum of its proper divisors (14609255).

28314265 is a wasteful number, since it uses less digits than its factorization.

28314265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its digits is 11520, while the sum is 31.

The square root of 28314265 is about 5321.1150147314. The cubic root of 28314265 is about 304.7907370435.

The spelling of 28314265 in words is "twenty-eight million, three hundred fourteen thousand, two hundred sixty-five".