25948171 has 4 divisors (see below), whose sum is σ = 27474552. Its totient is φ = 24421792.

The previous prime is 25948123. The next prime is 25948199. The reversal of 25948171 is 17184952.

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

It is not a de Polignac number, because 25948171 - 2⁹ = 25947659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25948171.

It is not an unprimeable number, because it can be changed into a prime (25948771) 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, 763165 + ... + 763198.

It is an arithmetic number, because the mean of its divisors is an integer number (6868638).

Almost surely, 2^25948171 is an apocalyptic number.

25948171 is a deficient number, since it is larger than the sum of its proper divisors (1526381).

25948171 is a wasteful number, since it uses less digits than its factorization.

25948171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526380.

The product of its digits is 20160, while the sum is 37.

The square root of 25948171 is about 5093.9347267118. The cubic root of 25948171 is about 296.0526256261.

The spelling of 25948171 in words is "twenty-five million, nine hundred forty-eight thousand, one hundred seventy-one".