24243247 has 6 divisors (see below), whose sum is σ = 27721464. Its totient is φ = 20768760.

The previous prime is 24243239. The next prime is 24243287. The reversal of 24243247 is 74234242.

It is not a de Polignac number, because 24243247 - 2³ = 24243239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24243287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12097 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (4620244).

Almost surely, 2^24243247 is an apocalyptic number.

24243247 is a deficient number, since it is larger than the sum of its proper divisors (3478217).

24243247 is an frugal number, since it uses more digits than its factorization.

24243247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729 (or 1868 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 24243247 is about 4923.7431898912. The cubic root of 24243247 is about 289.4211481710.

Multiplying 24243247 by its sum of digits (28), we get a square (678810916 = 26054²).

Adding to 24243247 its reverse (74234242), we get a palindrome (98477489).

It can be divided in two parts, 2424 and 3247, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 24243247 in words is "twenty-four million, two hundred forty-three thousand, two hundred forty-seven".