241979197 has 2 divisors, whose sum is σ = 241979198. Its totient is φ = 241979196.

The previous prime is 241979191. The next prime is 241979201. The reversal of 241979197 is 791979142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241305156 + 674041 = 15534^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 241979197 - 2¹¹ = 241977149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241979197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241979191) 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, 120989598 + 120989599.

It is an arithmetic number, because the mean of its divisors is an integer number (120989599).

Almost surely, 2^241979197 is an apocalyptic number.

It is an amenable number.

241979197 is a deficient number, since it is larger than the sum of its proper divisors (1).

241979197 is an equidigital number, since it uses as much as digits as its factorization.

241979197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 49.

The square root of 241979197 is about 15555.6805379900. The cubic root of 241979197 is about 623.1501115021.

Subtracting 241979197 from its reverse (791979142), we obtain a palindrome (549999945).

The spelling of 241979197 in words is "two hundred forty-one million, nine hundred seventy-nine thousand, one hundred ninety-seven".