240942197 has 2 divisors, whose sum is σ = 240942198. Its totient is φ = 240942196.

The previous prime is 240942167. The next prime is 240942203. The reversal of 240942197 is 791249042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239197156 + 1745041 = 15466^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 240942197 - 2¹⁴ = 240925813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240942197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240942127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120471098 + 120471099.

It is an arithmetic number, because the mean of its divisors is an integer number (120471099).

Almost surely, 2^240942197 is an apocalyptic number.

It is an amenable number.

240942197 is a deficient number, since it is larger than the sum of its proper divisors (1).

240942197 is an equidigital number, since it uses as much as digits as its factorization.

240942197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 240942197 is about 15522.3128753417. The cubic root of 240942197 is about 622.2586685154.

The spelling of 240942197 in words is "two hundred forty million, nine hundred forty-two thousand, one hundred ninety-seven".