25492847 has 4 divisors (see below), whose sum is σ = 26035296. Its totient is φ = 24950400.

The previous prime is 25492829. The next prime is 25492867. The reversal of 25492847 is 74829452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25492847 - 2⁶ = 25492783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492867) 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, 271154 + ... + 271247.

It is an arithmetic number, because the mean of its divisors is an integer number (6508824).

Almost surely, 2^25492847 is an apocalyptic number.

25492847 is a deficient number, since it is larger than the sum of its proper divisors (542449).

25492847 is an equidigital number, since it uses as much as digits as its factorization.

25492847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542448.

The product of its digits is 161280, while the sum is 41.

The square root of 25492847 is about 5049.0441669686. The cubic root of 25492847 is about 294.3107416807.

The spelling of 25492847 in words is "twenty-five million, four hundred ninety-two thousand, eight hundred forty-seven".