23265513 has 6 divisors (see below), whose sum is σ = 33605754. Its totient is φ = 15510336.

The previous prime is 23265499. The next prime is 23265521. The reversal of 23265513 is 31556232.

23265513 is a `hidden beast` number, since 2 + 3 + 2 + 655 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 6594624 = 4083^2 + 2568^2 .

It is not a de Polignac number, because 23265513 - 2⁴ = 23265497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23265533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1292520 + ... + 1292537.

It is an arithmetic number, because the mean of its divisors is an integer number (5600959).

Almost surely, 2^23265513 is an apocalyptic number.

It is an amenable number.

23265513 is a deficient number, since it is larger than the sum of its proper divisors (10340241).

23265513 is a wasteful number, since it uses less digits than its factorization.

23265513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585063 (or 2585060 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23265513 is about 4823.4337354213. The cubic root of 23265513 is about 285.4768379458.

The spelling of 23265513 in words is "twenty-three million, two hundred sixty-five thousand, five hundred thirteen".