25961233 has 4 divisors (see below), whose sum is σ = 26003008. Its totient is φ = 25919460.

The previous prime is 25961231. The next prime is 25961237. The reversal of 25961233 is 33216952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25961233 - 2¹ = 25961231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25961195 and 25961204.

It is not an unprimeable number, because it can be changed into a prime (25961231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19941 + ... + 21202.

It is an arithmetic number, because the mean of its divisors is an integer number (6500752).

Almost surely, 2^25961233 is an apocalyptic number.

It is an amenable number.

25961233 is a deficient number, since it is larger than the sum of its proper divisors (41775).

25961233 is an equidigital number, since it uses as much as digits as its factorization.

25961233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41774.

The product of its digits is 9720, while the sum is 31.

The square root of 25961233 is about 5095.2166784152. The cubic root of 25961233 is about 296.1022937473.

The spelling of 25961233 in words is "twenty-five million, nine hundred sixty-one thousand, two hundred thirty-three".