25345133 has 4 divisors (see below), whose sum is σ = 27649248. Its totient is φ = 23041020.

The previous prime is 25345097. The next prime is 25345157. The reversal of 25345133 is 33154352.

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 25345133 - 2¹⁴ = 25328749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152041 + ... + 1152062.

It is an arithmetic number, because the mean of its divisors is an integer number (6912312).

Almost surely, 2^25345133 is an apocalyptic number.

It is an amenable number.

25345133 is a deficient number, since it is larger than the sum of its proper divisors (2304115).

25345133 is a wasteful number, since it uses less digits than its factorization.

25345133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304114.

The product of its digits is 5400, while the sum is 26.

The square root of 25345133 is about 5034.3949984084. The cubic root of 25345133 is about 293.7411955713.

Adding to 25345133 its reverse (33154352), we get a palindrome (58499485).

It can be divided in two parts, 2534 and 5133, that added together give a palindrome (7667).

The spelling of 25345133 in words is "twenty-five million, three hundred forty-five thousand, one hundred thirty-three".