25141281 has 32 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 14720640.

The previous prime is 25141271. The next prime is 25141297. The reversal of 25141281 is 18214152.

It is not a de Polignac number, because 25141281 - 2¹⁸ = 24879137 is a prime.

It is a super-2 number, since 2×25141281² = 1264168020641922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25141201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183445 + ... + 183581.

It is an arithmetic number, because the mean of its divisors is an integer number (1182384).

Almost surely, 2^25141281 is an apocalyptic number.

It is an amenable number.

25141281 is a deficient number, since it is larger than the sum of its proper divisors (12695007).

25141281 is a wasteful number, since it uses less digits than its factorization.

25141281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 640, while the sum is 24.

The square root of 25141281 is about 5014.1081958809. The cubic root of 25141281 is about 292.9515503453.

The spelling of 25141281 in words is "twenty-five million, one hundred forty-one thousand, two hundred eighty-one".