23825961 has 16 divisors (see below), whose sum is σ = 36160320. Its totient is φ = 15495840.

The previous prime is 23825951. The next prime is 23825969. The reversal of 23825961 is 16952832.

It is not a de Polignac number, because 23825961 - 2⁷ = 23825833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23825969) 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 15 ways as a sum of consecutive naturals, for example, 9655 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (2260020).

Almost surely, 2^23825961 is an apocalyptic number.

It is an amenable number.

23825961 is a deficient number, since it is larger than the sum of its proper divisors (12334359).

23825961 is a wasteful number, since it uses less digits than its factorization.

23825961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21573 (or 21567 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23825961 is about 4881.1843849623. The cubic root of 23825961 is about 287.7509783197.

The spelling of 23825961 in words is "twenty-three million, eight hundred twenty-five thousand, nine hundred sixty-one".