24140239 has 2 divisors, whose sum is σ = 24140240. Its totient is φ = 24140238.

The previous prime is 24140197. The next prime is 24140251. The reversal of 24140239 is 93204142.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24140239 - 2¹³ = 24132047 is a prime.

It is a super-2 number, since 2×24140239² = 1165502277954242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24147239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12070119 + 12070120.

It is an arithmetic number, because the mean of its divisors is an integer number (12070120).

Almost surely, 2^24140239 is an apocalyptic number.

24140239 is a deficient number, since it is larger than the sum of its proper divisors (1).

24140239 is an equidigital number, since it uses as much as digits as its factorization.

24140239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 24140239 is about 4913.2717205544. The cubic root of 24140239 is about 289.0106556098.

The spelling of 24140239 in words is "twenty-four million, one hundred forty thousand, two hundred thirty-nine".