25116453 has 16 divisors (see below), whose sum is σ = 37722240. Its totient is φ = 16513632.

The previous prime is 25116433. The next prime is 25116457. The reversal of 25116453 is 35461152.

25116453 is a `hidden beast` number, since 2 + 5 + 11 + 645 + 3 = 666.

It is not a de Polignac number, because 25116453 - 2⁸ = 25116197 is a prime.

It is a super-2 number, since 2×25116453² = 1261672422602418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4401 + ... + 8342.

It is an arithmetic number, because the mean of its divisors is an integer number (2357640).

Almost surely, 2^25116453 is an apocalyptic number.

It is an amenable number.

25116453 is a deficient number, since it is larger than the sum of its proper divisors (12605787).

25116453 is a wasteful number, since it uses less digits than its factorization.

25116453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825 (or 12819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25116453 is about 5011.6317701922. The cubic root of 25116453 is about 292.8550848727.

The spelling of 25116453 in words is "twenty-five million, one hundred sixteen thousand, four hundred fifty-three".