24235138 has 4 divisors (see below), whose sum is σ = 36352710. Its totient is φ = 12117568.

The previous prime is 24235129. The next prime is 24235139. The reversal of 24235138 is 83153242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83153242 = 2 ⋅41576621.

It can be written as a sum of positive squares in only one way, i.e., 17614809 + 6620329 = 4197^2 + 2573^2 .

It is not an unprimeable number, because it can be changed into a prime (24235139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058783 + ... + 6058786.

Almost surely, 2^24235138 is an apocalyptic number.

24235138 is a deficient number, since it is larger than the sum of its proper divisors (12117572).

24235138 is a wasteful number, since it uses less digits than its factorization.

24235138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117571.

The product of its digits is 5760, while the sum is 28.

The square root of 24235138 is about 4922.9196621517. The cubic root of 24235138 is about 289.3888755714.

The spelling of 24235138 in words is "twenty-four million, two hundred thirty-five thousand, one hundred thirty-eight".