24442561 has 8 divisors (see below), whose sum is σ = 28715904. Its totient is φ = 20511120.

The previous prime is 24442553. The next prime is 24442571. The reversal of 24442561 is 16524442.

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

It is a cyclic number.

It is not a de Polignac number, because 24442561 - 2³ = 24442553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24442501) 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, 85321 + ... + 85606.

It is an arithmetic number, because the mean of its divisors is an integer number (3589488).

Almost surely, 2^24442561 is an apocalyptic number.

It is an amenable number.

24442561 is a deficient number, since it is larger than the sum of its proper divisors (4273343).

24442561 is a wasteful number, since it uses less digits than its factorization.

24442561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170951.

The product of its digits is 7680, while the sum is 28.

The square root of 24442561 is about 4943.9418483635. The cubic root of 24442561 is about 290.2121357079.

It can be divided in two parts, 2444 and 2561, that added together give a palindrome (5005).

The spelling of 24442561 in words is "twenty-four million, four hundred forty-two thousand, five hundred sixty-one".