23866525 has 12 divisors (see below), whose sum is σ = 30881952. Its totient is φ = 18262640.

The previous prime is 23866523. The next prime is 23866529. The reversal of 23866525 is 52566832.

It is a happy number.

It is not a de Polignac number, because 23866525 - 2¹ = 23866523 is a prime.

It is a super-2 number, since 2×23866525² = 1139222031151250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23866523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20179 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (2573496).

Almost surely, 2^23866525 is an apocalyptic number.

23866525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23866525 is a deficient number, since it is larger than the sum of its proper divisors (7015427).

23866525 is a wasteful number, since it uses less digits than its factorization.

23866525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41540 (or 41535 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 23866525 is about 4885.3377570031. The cubic root of 23866525 is about 287.9141856274.

It can be divided in two parts, 2386 and 6525, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 23866525 in words is "twenty-three million, eight hundred sixty-six thousand, five hundred twenty-five".