24552561 has 16 divisors (see below), whose sum is σ = 36301248. Its totient is φ = 14635200.

The previous prime is 24552557. The next prime is 24552599. The reversal of 24552561 is 16525542.

It is not a de Polignac number, because 24552561 - 2² = 24552557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24552511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (2268828).

Almost surely, 2^24552561 is an apocalyptic number.

It is an amenable number.

24552561 is a deficient number, since it is larger than the sum of its proper divisors (11748687).

24552561 is a wasteful number, since it uses less digits than its factorization.

24552561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its digits is 12000, while the sum is 30.

The square root of 24552561 is about 4955.0540864858. The cubic root of 24552561 is about 290.6468360053.

The spelling of 24552561 in words is "twenty-four million, five hundred fifty-two thousand, five hundred sixty-one".