242513611 has 2 divisors, whose sum is σ = 242513612. Its totient is φ = 242513610.

The previous prime is 242513599. The next prime is 242513617. The reversal of 242513611 is 116315242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242513611 is a prime.

It is not a weakly prime, because it can be changed into another prime (242513617) 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, 121256805 + 121256806.

It is an arithmetic number, because the mean of its divisors is an integer number (121256806).

Almost surely, 2^242513611 is an apocalyptic number.

242513611 is a deficient number, since it is larger than the sum of its proper divisors (1).

242513611 is an equidigital number, since it uses as much as digits as its factorization.

242513611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 242513611 is about 15572.8485191374. The cubic root of 242513611 is about 623.6085190684.

Adding to 242513611 its reverse (116315242), we get a palindrome (358828853).

The spelling of 242513611 in words is "two hundred forty-two million, five hundred thirteen thousand, six hundred eleven".