25281441 has 24 divisors (see below), whose sum is σ = 37964160. Its totient is φ = 16200096.

The previous prime is 25281413. The next prime is 25281481. The reversal of 25281441 is 14418252.

It is not a de Polignac number, because 25281441 - 2⁵ = 25281409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25281481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24451 + ... + 25463.

It is an arithmetic number, because the mean of its divisors is an integer number (1581840).

Almost surely, 2^25281441 is an apocalyptic number.

It is an amenable number.

25281441 is a deficient number, since it is larger than the sum of its proper divisors (12682719).

25281441 is a wasteful number, since it uses less digits than its factorization.

25281441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1122 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 25281441 is about 5028.0653337044. The cubic root of 25281441 is about 293.4949331963.

Adding to 25281441 its reverse (14418252), we get a palindrome (39699693).

It can be divided in two parts, 25281 and 441, that multiplied together give a square (11148921 = 3339²).

The spelling of 25281441 in words is "twenty-five million, two hundred eighty-one thousand, four hundred forty-one".