25231441 has 4 divisors (see below), whose sum is σ = 25846884. Its totient is φ = 24616000.

The previous prime is 25231403. The next prime is 25231477. The reversal of 25231441 is 14413252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 13535041 = 3420^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 25231441 - 2¹⁹ = 24707153 is a prime.

It is a super-2 number, since 2×25231441² = 1273251229872962, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25831441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307660 + ... + 307741.

It is an arithmetic number, because the mean of its divisors is an integer number (6461721).

Almost surely, 2^25231441 is an apocalyptic number.

It is an amenable number.

25231441 is a deficient number, since it is larger than the sum of its proper divisors (615443).

25231441 is an equidigital number, since it uses as much as digits as its factorization.

25231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615442.

The product of its digits is 960, while the sum is 22.

The square root of 25231441 is about 5023.0907815806. The cubic root of 25231441 is about 293.3013203987.

Adding to 25231441 its reverse (14413252), we get a palindrome (39644693).

The spelling of 25231441 in words is "twenty-five million, two hundred thirty-one thousand, four hundred forty-one".