241982197 has 2 divisors, whose sum is σ = 241982198. Its totient is φ = 241982196.

The previous prime is 241982173. The next prime is 241982201. The reversal of 241982197 is 791289142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155975121 + 86007076 = 12489^2 + 9274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241982197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241982107) 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, 120991098 + 120991099.

It is an arithmetic number, because the mean of its divisors is an integer number (120991099).

Almost surely, 2^241982197 is an apocalyptic number.

It is an amenable number.

241982197 is a deficient number, since it is larger than the sum of its proper divisors (1).

241982197 is an equidigital number, since it uses as much as digits as its factorization.

241982197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 241982197 is about 15555.7769654878. The cubic root of 241982197 is about 623.1526867133.

The spelling of 241982197 in words is "two hundred forty-one million, nine hundred eighty-two thousand, one hundred ninety-seven".