23966825 has 6 divisors (see below), whose sum is σ = 29718894. Its totient is φ = 19173440.

The previous prime is 23966819. The next prime is 23966827. The reversal of 23966825 is 52866932.

It can be written as a sum of positive squares in 3 ways, for example, as 44944 + 23921881 = 212^2 + 4891^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23966825 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23966827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479312 + ... + 479361.

It is an arithmetic number, because the mean of its divisors is an integer number (4953149).

Almost surely, 2^23966825 is an apocalyptic number.

23966825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23966825 is a deficient number, since it is larger than the sum of its proper divisors (5752069).

23966825 is an equidigital number, since it uses as much as digits as its factorization.

23966825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958683 (or 958678 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 23966825 is about 4895.5924054194. The cubic root of 23966825 is about 288.3169454714.

The spelling of 23966825 in words is "twenty-three million, nine hundred sixty-six thousand, eight hundred twenty-five".