24140197 has 2 divisors, whose sum is σ = 24140198. Its totient is φ = 24140196.

The previous prime is 24140191. The next prime is 24140239. The reversal of 24140197 is 79104142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23367556 + 772641 = 4834^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 24140197 - 2³ = 24140189 is a prime.

It is a super-2 number, since 2×24140197² = 1165498222397618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24140191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12070098 + 12070099.

It is an arithmetic number, because the mean of its divisors is an integer number (12070099).

Almost surely, 2^24140197 is an apocalyptic number.

It is an amenable number.

24140197 is a deficient number, since it is larger than the sum of its proper divisors (1).

24140197 is an equidigital number, since it uses as much as digits as its factorization.

24140197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 24140197 is about 4913.2674464149. The cubic root of 24140197 is about 289.0104879995.

The spelling of 24140197 in words is "twenty-four million, one hundred forty thousand, one hundred ninety-seven".