25033133 has 4 divisors (see below), whose sum is σ = 25183200. Its totient is φ = 24883068.

The previous prime is 25033123. The next prime is 25033157. The reversal of 25033133 is 33133052.

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 25033133 - 2⁶ = 25033069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25033123) 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, 74783 + ... + 75116.

It is an arithmetic number, because the mean of its divisors is an integer number (6295800).

Almost surely, 2^25033133 is an apocalyptic number.

It is an amenable number.

25033133 is a deficient number, since it is larger than the sum of its proper divisors (150067).

25033133 is a wasteful number, since it uses less digits than its factorization.

25033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150066.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 25033133 is about 5003.3122029312. The cubic root of 25033133 is about 292.5308921034.

Adding to 25033133 its reverse (33133052), we get a palindrome (58166185).

The spelling of 25033133 in words is "twenty-five million, thirty-three thousand, one hundred thirty-three".