25163133 has 8 divisors (see below), whose sum is σ = 33666528. Its totient is φ = 16717584.

The previous prime is 25163113. The next prime is 25163137. The reversal of 25163133 is 33136152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25163133 - 2⁵ = 25163101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13435 + ... + 15192.

It is an arithmetic number, because the mean of its divisors is an integer number (4208316).

Almost surely, 2^25163133 is an apocalyptic number.

It is an amenable number.

25163133 is a deficient number, since it is larger than the sum of its proper divisors (8503395).

25163133 is a wasteful number, since it uses less digits than its factorization.

25163133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28923.

The product of its digits is 1620, while the sum is 24.

The square root of 25163133 is about 5016.2867740989. The cubic root of 25163133 is about 293.0364004833.

Adding to 25163133 its reverse (33136152), we get a palindrome (58299285).

The spelling of 25163133 in words is "twenty-five million, one hundred sixty-three thousand, one hundred thirty-three".