242332417 has 2 divisors, whose sum is σ = 242332418. Its totient is φ = 242332416.

The previous prime is 242332357. The next prime is 242332457. The reversal of 242332417 is 714233242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227285776 + 15046641 = 15076^2 + 3879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242332417 is a prime.

It is not a weakly prime, because it can be changed into another prime (242332457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121166208 + 121166209.

It is an arithmetic number, because the mean of its divisors is an integer number (121166209).

Almost surely, 2^242332417 is an apocalyptic number.

It is an amenable number.

242332417 is a deficient number, since it is larger than the sum of its proper divisors (1).

242332417 is an equidigital number, since it uses as much as digits as its factorization.

242332417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 242332417 is about 15567.0298066137. The cubic root of 242332417 is about 623.4531707089.

Adding to 242332417 its reverse (714233242), we get a palindrome (956565659).

The spelling of 242332417 in words is "two hundred forty-two million, three hundred thirty-two thousand, four hundred seventeen".