25872133 has 4 divisors (see below), whose sum is σ = 29568160. Its totient is φ = 22176108.

The previous prime is 25872127. The next prime is 25872157. The reversal of 25872133 is 33127852.

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 25872133 - 2⁵ = 25872101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25872095 and 25872104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25872233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848003 + ... + 1848016.

It is an arithmetic number, because the mean of its divisors is an integer number (7392040).

Almost surely, 2^25872133 is an apocalyptic number.

It is an amenable number.

25872133 is a deficient number, since it is larger than the sum of its proper divisors (3696027).

25872133 is an equidigital number, since it uses as much as digits as its factorization.

25872133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696026.

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

The square root of 25872133 is about 5086.4656688117. The cubic root of 25872133 is about 295.7631604682.

Adding to 25872133 its reverse (33127852), we get a palindrome (58999985).

The spelling of 25872133 in words is "twenty-five million, eight hundred seventy-two thousand, one hundred thirty-three".