240663197 has 2 divisors, whose sum is σ = 240663198. Its totient is φ = 240663196.

The previous prime is 240663193. The next prime is 240663229. The reversal of 240663197 is 791366042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224130841 + 16532356 = 14971^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 240663197 - 2² = 240663193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240663197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240663193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120331598 + 120331599.

It is an arithmetic number, because the mean of its divisors is an integer number (120331599).

Almost surely, 2^240663197 is an apocalyptic number.

It is an amenable number.

240663197 is a deficient number, since it is larger than the sum of its proper divisors (1).

240663197 is an equidigital number, since it uses as much as digits as its factorization.

240663197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 240663197 is about 15513.3232094223. The cubic root of 240663197 is about 622.0183934277.

The spelling of 240663197 in words is "two hundred forty million, six hundred sixty-three thousand, one hundred ninety-seven".