24196561 has 3 divisors (see below), whose sum is σ = 24201481. Its totient is φ = 24191642.

The previous prime is 24196541. The next prime is 24196591. The reversal of 24196561 is 16569142.

The square root of 24196561 is 4919.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 24196561 - 2⁷ = 24196433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24196531) 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 2 ways as a sum of consecutive naturals, for example, 2460 + ... + 7378.

Almost surely, 2^24196561 is an apocalyptic number.

24196561 is the 4919-th square number.

24196561 is the 2460-th centered octagonal number.

It is an amenable number.

24196561 is a deficient number, since it is larger than the sum of its proper divisors (4920).

24196561 is an frugal number, since it uses more digits than its factorization.

24196561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838 (or 4919 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The cubic root of 24196561 is about 289.2352462515.

The spelling of 24196561 in words is "twenty-four million, one hundred ninety-six thousand, five hundred sixty-one".