25112453 has 4 divisors (see below), whose sum is σ = 25123980. Its totient is φ = 25100928.

The previous prime is 25112443. The next prime is 25112491. The reversal of 25112453 is 35421152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18258529 + 6853924 = 4273^2 + 2618^2 .

It is a cyclic number.

It is not a de Polignac number, because 25112453 - 2²⁴ = 8335237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112413) 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, 1388 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (6280995).

Almost surely, 2^25112453 is an apocalyptic number.

It is an amenable number.

25112453 is a deficient number, since it is larger than the sum of its proper divisors (11527).

25112453 is an equidigital number, since it uses as much as digits as its factorization.

25112453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526.

The product of its digits is 1200, while the sum is 23.

The square root of 25112453 is about 5011.2326826840. The cubic root of 25112453 is about 292.8395375270.

The spelling of 25112453 in words is "twenty-five million, one hundred twelve thousand, four hundred fifty-three".