241642217 has 2 divisors, whose sum is σ = 241642218. Its totient is φ = 241642216.

The previous prime is 241642189. The next prime is 241642231. The reversal of 241642217 is 712246142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226773481 + 14868736 = 15059^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 241642217 - 2²² = 237447913 is a prime.

It is a super-2 number, since 2×241642217² = 116781922073350178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 241642217.

It is not a weakly prime, because it can be changed into another prime (241642417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120821108 + 120821109.

It is an arithmetic number, because the mean of its divisors is an integer number (120821109).

Almost surely, 2^241642217 is an apocalyptic number.

It is an amenable number.

241642217 is a deficient number, since it is larger than the sum of its proper divisors (1).

241642217 is an equidigital number, since it uses as much as digits as its factorization.

241642217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 241642217 is about 15544.8453514340. The cubic root of 241642217 is about 622.8607110363.

Adding to 241642217 its reverse (712246142), we get a palindrome (953888359).

The spelling of 241642217 in words is "two hundred forty-one million, six hundred forty-two thousand, two hundred seventeen".