25344641 has 8 divisors (see below), whose sum is σ = 29113920. Its totient is φ = 21612528.

The previous prime is 25344629. The next prime is 25344647. The reversal of 25344641 is 14644352.

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

It is not a de Polignac number, because 25344641 - 2¹⁴ = 25328257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25344647) 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, 7811 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (3639240).

Almost surely, 2^25344641 is an apocalyptic number.

It is an amenable number.

25344641 is a deficient number, since it is larger than the sum of its proper divisors (3769279).

25344641 is a wasteful number, since it uses less digits than its factorization.

25344641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583.

The product of its digits is 11520, while the sum is 29.

The square root of 25344641 is about 5034.3461343058. The cubic root of 25344641 is about 293.7392948566.

Adding to 25344641 its reverse (14644352), we get a palindrome (39988993).

The spelling of 25344641 in words is "twenty-five million, three hundred forty-four thousand, six hundred forty-one".