23825969 has 2 divisors, whose sum is σ = 23825970. Its totient is φ = 23825968.

The previous prime is 23825951. The next prime is 23826031. The reversal of 23825969 is 96952832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11992369 + 11833600 = 3463^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 23825969 - 2⁸ = 23825713 is a prime.

It is a super-2 number, since 2×23825969² = 1135353597577922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23855969) 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 as a sum of consecutive naturals, namely, 11912984 + 11912985.

It is an arithmetic number, because the mean of its divisors is an integer number (11912985).

Almost surely, 2^23825969 is an apocalyptic number.

It is an amenable number.

23825969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23825969 is an equidigital number, since it uses as much as digits as its factorization.

23825969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 23825969 is about 4881.1852044355. The cubic root of 23825969 is about 287.7510105256.

It can be divided in two parts, 238259 and 69, that added together give a cube (238328 = 62³).

The spelling of 23825969 in words is "twenty-three million, eight hundred twenty-five thousand, nine hundred sixty-nine".