24138097 has 4 divisors (see below), whose sum is σ = 24790516. Its totient is φ = 23485680.

The previous prime is 24138071. The next prime is 24138187. The reversal of 24138097 is 79083142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79083142 = 2 ⋅39541571.

It can be written as a sum of positive squares in 2 ways, for example, as 22695696 + 1442401 = 4764^2 + 1201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24138097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24138047) 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 in 3 ways as a sum of consecutive naturals, for example, 326154 + ... + 326227.

It is an arithmetic number, because the mean of its divisors is an integer number (6197629).

Almost surely, 2^24138097 is an apocalyptic number.

It is an amenable number.

24138097 is a deficient number, since it is larger than the sum of its proper divisors (652419).

24138097 is an equidigital number, since it uses as much as digits as its factorization.

24138097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652418.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 24138097 is about 4913.0537346950. The cubic root of 24138097 is about 289.0021072391.

The spelling of 24138097 in words is "twenty-four million, one hundred thirty-eight thousand, ninety-seven".