242210513 has 2 divisors, whose sum is σ = 242210514. Its totient is φ = 242210512.

The previous prime is 242210497. The next prime is 242210557. The reversal of 242210513 is 315012242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219247249 + 22963264 = 14807^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 242210513 - 2⁴ = 242210497 is a prime.

It is not a weakly prime, because it can be changed into another prime (242215513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105256 + 121105257.

It is an arithmetic number, because the mean of its divisors is an integer number (121105257).

Almost surely, 2^242210513 is an apocalyptic number.

It is an amenable number.

242210513 is a deficient number, since it is larger than the sum of its proper divisors (1).

242210513 is an equidigital number, since it uses as much as digits as its factorization.

242210513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 242210513 is about 15563.1138593792. The cubic root of 242210513 is about 623.3486116025.

Adding to 242210513 its reverse (315012242), we get a palindrome (557222755).

The spelling of 242210513 in words is "two hundred forty-two million, two hundred ten thousand, five hundred thirteen".