242834881 has 2 divisors, whose sum is σ = 242834882. Its totient is φ = 242834880.

The previous prime is 242834869. The next prime is 242834899. The reversal of 242834881 is 188438242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241491600 + 1343281 = 15540^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 242834881 - 2⁹ = 242834369 is a prime.

It is a super-2 number, since 2×242834881² = 117937558860568322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242834381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121417440 + 121417441.

It is an arithmetic number, because the mean of its divisors is an integer number (121417441).

Almost surely, 2^242834881 is an apocalyptic number.

It is an amenable number.

242834881 is a deficient number, since it is larger than the sum of its proper divisors (1).

242834881 is an equidigital number, since it uses as much as digits as its factorization.

242834881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98304, while the sum is 40.

The square root of 242834881 is about 15583.1601737260. The cubic root of 242834881 is about 623.8837727656.

The spelling of 242834881 in words is "two hundred forty-two million, eight hundred thirty-four thousand, eight hundred eighty-one".