23525885 has 4 divisors (see below), whose sum is σ = 28231068. Its totient is φ = 18820704.

The previous prime is 23525881. The next prime is 23525891. The reversal of 23525885 is 58852532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2968729 + 20557156 = 1723^2 + 4534^2 .

It is a cyclic number.

It is not a de Polignac number, because 23525885 - 2² = 23525881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23525881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352584 + ... + 2352593.

It is an arithmetic number, because the mean of its divisors is an integer number (7057767).

Almost surely, 2^23525885 is an apocalyptic number.

It is an amenable number.

23525885 is a deficient number, since it is larger than the sum of its proper divisors (4705183).

23525885 is an equidigital number, since it uses as much as digits as its factorization.

23525885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705182.

The product of its digits is 96000, while the sum is 38.

The square root of 23525885 is about 4850.3489565185. The cubic root of 23525885 is about 286.5378447389.

The spelling of 23525885 in words is "twenty-three million, five hundred twenty-five thousand, eight hundred eighty-five".