25133427 has 24 divisors (see below), whose sum is σ = 39936000. Its totient is φ = 15104880.

The previous prime is 25133399. The next prime is 25133431. The reversal of 25133427 is 72433152.

It is not a de Polignac number, because 25133427 - 2⁶ = 25133363 is a prime.

It is a super-3 number, since 3×25133427³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25133427.

It is not an unprimeable number, because it can be changed into a prime (25133527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11574 + ... + 13572.

It is an arithmetic number, because the mean of its divisors is an integer number (1664000).

Almost surely, 2^25133427 is an apocalyptic number.

25133427 is a deficient number, since it is larger than the sum of its proper divisors (14802573).

25133427 is a wasteful number, since it uses less digits than its factorization.

25133427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2140 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 25133427 is about 5013.3249445852. The cubic root of 25133427 is about 292.9210416757.

Adding to 25133427 its reverse (72433152), we get a palindrome (97566579).

The spelling of 25133427 in words is "twenty-five million, one hundred thirty-three thousand, four hundred twenty-seven".