24690243 has 4 divisors (see below), whose sum is σ = 32920328. Its totient is φ = 16460160.

The previous prime is 24690227. The next prime is 24690257. The reversal of 24690243 is 34209642.

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

It is not a de Polignac number, because 24690243 - 2⁴ = 24690227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24690243.

It is not an unprimeable number, because it can be changed into a prime (24690203) 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, 4115038 + ... + 4115043.

It is an arithmetic number, because the mean of its divisors is an integer number (8230082).

Almost surely, 2^24690243 is an apocalyptic number.

24690243 is a deficient number, since it is larger than the sum of its proper divisors (8230085).

24690243 is an equidigital number, since it uses as much as digits as its factorization.

24690243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230084.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 24690243 is about 4968.9277515375. The cubic root of 24690243 is about 291.1891048924.

Adding to 24690243 its reverse (34209642), we get a palindrome (58899885).

The spelling of 24690243 in words is "twenty-four million, six hundred ninety thousand, two hundred forty-three".