23561825 has 12 divisors (see below), whose sum is σ = 33390720. Its totient is φ = 16156560.

The previous prime is 23561819. The next prime is 23561849. The reversal of 23561825 is 52816532.

It is not a de Polignac number, because 23561825 - 2⁶ = 23561761 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23561791 and 23561800.

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, 67145 + ... + 67494.

It is an arithmetic number, because the mean of its divisors is an integer number (2782560).

Almost surely, 2^23561825 is an apocalyptic number.

23561825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23561825 is a deficient number, since it is larger than the sum of its proper divisors (9828895).

23561825 is a wasteful number, since it uses less digits than its factorization.

23561825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134656 (or 134651 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 23561825 is about 4854.0524307016. The cubic root of 23561825 is about 286.6836831134.

The spelling of 23561825 in words is "twenty-three million, five hundred sixty-one thousand, eight hundred twenty-five".