25871233 has 4 divisors (see below), whose sum is σ = 25882948. Its totient is φ = 25859520.

The previous prime is 25871213. The next prime is 25871239. The reversal of 25871233 is 33217852.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10909809 + 14961424 = 3303^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 25871233 - 2²¹ = 23774081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25871195 and 25871204.

It is not an unprimeable number, because it can be changed into a prime (25871239) 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, 1428 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (6470737).

Almost surely, 2^25871233 is an apocalyptic number.

It is an amenable number.

25871233 is a deficient number, since it is larger than the sum of its proper divisors (11715).

25871233 is an equidigital number, since it uses as much as digits as its factorization.

25871233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11714.

The product of its digits is 10080, while the sum is 31.

The square root of 25871233 is about 5086.3771979671. The cubic root of 25871233 is about 295.7597309103.

The spelling of 25871233 in words is "twenty-five million, eight hundred seventy-one thousand, two hundred thirty-three".