24661249 has 4 divisors (see below), whose sum is σ = 24699220. Its totient is φ = 24623280.

The previous prime is 24661207. The next prime is 24661283. The reversal of 24661249 is 94216642.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16000000 + 8661249 = 4000^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 24661249 - 2¹⁵ = 24628481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24661349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17994 + ... + 19315.

It is an arithmetic number, because the mean of its divisors is an integer number (6174805).

Almost surely, 2^24661249 is an apocalyptic number.

It is an amenable number.

24661249 is a deficient number, since it is larger than the sum of its proper divisors (37971).

24661249 is an equidigital number, since it uses as much as digits as its factorization.

24661249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37970.

The product of its digits is 20736, while the sum is 34.

The square root of 24661249 is about 4966.0093636641. The cubic root of 24661249 is about 291.0750781510.

The spelling of 24661249 in words is "twenty-four million, six hundred sixty-one thousand, two hundred forty-nine".