25116133 has 4 divisors (see below), whose sum is σ = 28704160. Its totient is φ = 21528108.

The previous prime is 25116131. The next prime is 25116139. The reversal of 25116133 is 33161152.

It is a happy number.

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 not a de Polignac number, because 25116133 - 2¹ = 25116131 is a prime.

It is a super-3 number, since 3×25116133³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116131) 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, 1794003 + ... + 1794016.

It is an arithmetic number, because the mean of its divisors is an integer number (7176040).

Almost surely, 2^25116133 is an apocalyptic number.

It is an amenable number.

25116133 is a deficient number, since it is larger than the sum of its proper divisors (3588027).

25116133 is an equidigital number, since it uses as much as digits as its factorization.

25116133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588026.

The product of its digits is 540, while the sum is 22.

The square root of 25116133 is about 5011.5998443611. The cubic root of 25116133 is about 292.8538411457.

Adding to 25116133 its reverse (33161152), we get a palindrome (58277285).

It can be divided in two parts, 251 and 16133, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 25116133 in words is "twenty-five million, one hundred sixteen thousand, one hundred thirty-three".