24560561 has 2 divisors, whose sum is σ = 24560562. Its totient is φ = 24560560.

The previous prime is 24560537. The next prime is 24560621. The reversal of 24560561 is 16506542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 4490161 = 4480^2 + 2119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24560561 is a prime.

It is not a weakly prime, because it can be changed into another prime (24560161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12280280 + 12280281.

It is an arithmetic number, because the mean of its divisors is an integer number (12280281).

Almost surely, 2^24560561 is an apocalyptic number.

It is an amenable number.

24560561 is a deficient number, since it is larger than the sum of its proper divisors (1).

24560561 is an equidigital number, since it uses as much as digits as its factorization.

24560561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 24560561 is about 4955.8612773160. The cubic root of 24560561 is about 290.6783998843.

It can be divided in two parts, 245 and 60561, that added together give a palindrome (60806).

The spelling of 24560561 in words is "twenty-four million, five hundred sixty thousand, five hundred sixty-one".