25990271 has 8 divisors (see below), whose sum is σ = 27542400. Its totient is φ = 24456600.

The previous prime is 25990247. The next prime is 25990273. The reversal of 25990271 is 17209952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25990271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25990273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (3442800).

Almost surely, 2^25990271 is an apocalyptic number.

25990271 is a deficient number, since it is larger than the sum of its proper divisors (1552129).

25990271 is a wasteful number, since it uses less digits than its factorization.

25990271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 25990271 is about 5098.0654173912. The cubic root of 25990271 is about 296.2126507895.

The spelling of 25990271 in words is "twenty-five million, nine hundred ninety thousand, two hundred seventy-one".