242011457 has 2 divisors, whose sum is σ = 242011458. Its totient is φ = 242011456.

The previous prime is 242011447. The next prime is 242011537. The reversal of 242011457 is 754110242.

242011457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226321936 + 15689521 = 15044^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 242011457 - 2¹² = 242007361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242011447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121005728 + 121005729.

It is an arithmetic number, because the mean of its divisors is an integer number (121005729).

Almost surely, 2^242011457 is an apocalyptic number.

It is an amenable number.

242011457 is a deficient number, since it is larger than the sum of its proper divisors (1).

242011457 is an equidigital number, since it uses as much as digits as its factorization.

242011457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 242011457 is about 15556.7174236726. The cubic root of 242011457 is about 623.1778024903.

Adding to 242011457 its reverse (754110242), we get a palindrome (996121699).

The spelling of 242011457 in words is "two hundred forty-two million, eleven thousand, four hundred fifty-seven".