23807825 has 6 divisors (see below), whose sum is σ = 29521734. Its totient is φ = 19046240.

The previous prime is 23807813. The next prime is 23807827. The reversal of 23807825 is 52870832.

23807825 = 526² + 527² + ... + 600².

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 844561 + 22963264 = 919^2 + 4792^2 .

It is not a de Polignac number, because 23807825 - 2⁸ = 23807569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23807827) 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 5 ways as a sum of consecutive naturals, for example, 476132 + ... + 476181.

It is an arithmetic number, because the mean of its divisors is an integer number (4920289).

Almost surely, 2^23807825 is an apocalyptic number.

23807825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23807825 is a deficient number, since it is larger than the sum of its proper divisors (5713909).

23807825 is an equidigital number, since it uses as much as digits as its factorization.

23807825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952323 (or 952318 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 23807825 is about 4879.3262854620. The cubic root of 23807825 is about 287.6779490664.

The spelling of 23807825 in words is "twenty-three million, eight hundred seven thousand, eight hundred twenty-five".