24240213 has 6 divisors (see below), whose sum is σ = 35013654. Its totient is φ = 16160136.

The previous prime is 24240211. The next prime is 24240247. The reversal of 24240213 is 31204242.

It can be written as a sum of positive squares in only one way, i.e., 13527684 + 10712529 = 3678^2 + 3273^2 .

It is not a de Polignac number, because 24240213 - 2¹ = 24240211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24240211) 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, 1346670 + ... + 1346687.

It is an arithmetic number, because the mean of its divisors is an integer number (5835609).

Almost surely, 2^24240213 is an apocalyptic number.

It is an amenable number.

24240213 is a deficient number, since it is larger than the sum of its proper divisors (10773441).

24240213 is a wasteful number, since it uses less digits than its factorization.

24240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693363 (or 2693360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 24240213 is about 4923.4350813228. The cubic root of 24240213 is about 289.4090741503.

Adding to 24240213 its reverse (31204242), we get a palindrome (55444455).

The spelling of 24240213 in words is "twenty-four million, two hundred forty thousand, two hundred thirteen".