24690242 has 4 divisors (see below), whose sum is σ = 37035366. Its totient is φ = 12345120.

The previous prime is 24690227. The next prime is 24690257. The reversal of 24690242 is 24209642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24209642 = 2 ⋅12104821.

It is an interprime number because it is at equal distance from previous prime (24690227) and next prime (24690257).

It can be written as a sum of positive squares in only one way, i.e., 17297281 + 7392961 = 4159^2 + 2719^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6172559 + ... + 6172562.

Almost surely, 2^24690242 is an apocalyptic number.

24690242 is a deficient number, since it is larger than the sum of its proper divisors (12345124).

24690242 is a wasteful number, since it uses less digits than its factorization.

24690242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345123.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 24690242 is about 4968.9276509122. The cubic root of 24690242 is about 291.1891009612.

Adding to 24690242 its reverse (24209642), we get a palindrome (48899884).

The spelling of 24690242 in words is "twenty-four million, six hundred ninety thousand, two hundred forty-two".