242689061 has 4 divisors (see below), whose sum is σ = 244460652. Its totient is φ = 240917472.

The previous prime is 242689039. The next prime is 242689063. The reversal of 242689061 is 160986242.

242689061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76020961 + 166668100 = 8719^2 + 12910^2 .

It is a cyclic number.

It is not a de Polignac number, because 242689061 - 2⁶ = 242688997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242689063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885590 + ... + 885863.

It is an arithmetic number, because the mean of its divisors is an integer number (61115163).

Almost surely, 2^242689061 is an apocalyptic number.

It is an amenable number.

242689061 is a deficient number, since it is larger than the sum of its proper divisors (1771591).

242689061 is a wasteful number, since it uses less digits than its factorization.

242689061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771590.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 242689061 is about 15578.4807025589. The cubic root of 242689061 is about 623.7588690351.

The spelling of 242689061 in words is "two hundred forty-two million, six hundred eighty-nine thousand, sixty-one".