25742271 has 16 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 16703808.

The previous prime is 25742261. The next prime is 25742273. The reversal of 25742271 is 17224752.

It is not a de Polignac number, because 25742271 - 2⁵ = 25742239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25742273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17170 + ... + 18608.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^25742271 is an apocalyptic number.

25742271 is a deficient number, since it is larger than the sum of its proper divisors (9508929).

25742271 is a wasteful number, since it uses less digits than its factorization.

25742271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its digits is 7840, while the sum is 30.

The square root of 25742271 is about 5073.6841643918. The cubic root of 25742271 is about 295.2674812313.

The spelling of 25742271 in words is "twenty-five million, seven hundred forty-two thousand, two hundred seventy-one".