25115133 has 8 divisors (see below), whose sum is σ = 33700768. Its totient is φ = 16636464.

The previous prime is 25115107. The next prime is 25115161. The reversal of 25115133 is 33151152.

25115133 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 25115133 - 2¹³ = 25106941 is a prime.

It is the 5012-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115173) by changing a digit.

It is a nontrivial repunit in base 5011.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26191 + ... + 27132.

It is an arithmetic number, because the mean of its divisors is an integer number (4212596).

Almost surely, 2^25115133 is an apocalyptic number.

It is an amenable number.

25115133 is a deficient number, since it is larger than the sum of its proper divisors (8585635).

25115133 is a wasteful number, since it uses less digits than its factorization.

25115133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53483.

The product of its digits is 450, while the sum is 21.

The square root of 25115133 is about 5011.5000748279. The cubic root of 25115133 is about 292.8499544311.

Adding to 25115133 its reverse (33151152), we get a palindrome (58266285).

The spelling of 25115133 in words is "twenty-five million, one hundred fifteen thousand, one hundred thirty-three".