23166525 has 12 divisors (see below), whose sum is σ = 38302112. Its totient is φ = 12355440.

The previous prime is 23166503. The next prime is 23166541. The reversal of 23166525 is 52566132.

It is not a de Polignac number, because 23166525 - 2¹⁵ = 23133757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23166492 and 23166501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154369 + ... + 154518.

Almost surely, 2^23166525 is an apocalyptic number.

23166525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23166525 is a deficient number, since it is larger than the sum of its proper divisors (15135587).

23166525 is a wasteful number, since it uses less digits than its factorization.

23166525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308900 (or 308895 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 23166525 is about 4813.1616428290. The cubic root of 23166525 is about 285.0713887032.

The spelling of 23166525 in words is "twenty-three million, one hundred sixty-six thousand, five hundred twenty-five".