25261171 has 8 divisors (see below), whose sum is σ = 27246240. Its totient is φ = 23282112.

The previous prime is 25261157. The next prime is 25261213. The reversal of 25261171 is 17116252.

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

It is a cyclic number.

It is not a de Polignac number, because 25261171 - 2¹⁵ = 25228403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25261111) 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, 11370 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (3405780).

Almost surely, 2^25261171 is an apocalyptic number.

25261171 is a deficient number, since it is larger than the sum of its proper divisors (1985069).

25261171 is a wasteful number, since it uses less digits than its factorization.

25261171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its digits is 840, while the sum is 25.

The square root of 25261171 is about 5026.0492436903. The cubic root of 25261171 is about 293.4164733628.

The spelling of 25261171 in words is "twenty-five million, two hundred sixty-one thousand, one hundred seventy-one".