23825825 has 24 divisors (see below), whose sum is σ = 30998016. Its totient is φ = 18144000.

The previous prime is 23825821. The next prime is 23825831. The reversal of 23825825 is 52852832.

It is not a de Polignac number, because 23825825 - 2² = 23825821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23825821) 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 23 ways as a sum of consecutive naturals, for example, 54809 + ... + 55241.

It is an arithmetic number, because the mean of its divisors is an integer number (1291584).

Almost surely, 2^23825825 is an apocalyptic number.

23825825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23825825 is a deficient number, since it is larger than the sum of its proper divisors (7172191).

23825825 is a wasteful number, since it uses less digits than its factorization.

23825825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 23825825 is about 4881.1704538973. The cubic root of 23825825 is about 287.7504308188.

The spelling of 23825825 in words is "twenty-three million, eight hundred twenty-five thousand, eight hundred twenty-five".