242262389 has 2 divisors, whose sum is σ = 242262390. Its totient is φ = 242262388.

The previous prime is 242262379. The next prime is 242262403. The reversal of 242262389 is 983262242.

242262389 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., 175562500 + 66699889 = 13250^2 + 8167^2 .

It is a cyclic number.

It is not a de Polignac number, because 242262389 - 2⁴ = 242262373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242262379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121131194 + 121131195.

It is an arithmetic number, because the mean of its divisors is an integer number (121131195).

Almost surely, 2^242262389 is an apocalyptic number.

It is an amenable number.

242262389 is a deficient number, since it is larger than the sum of its proper divisors (1).

242262389 is an equidigital number, since it uses as much as digits as its factorization.

242262389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 242262389 is about 15564.7804032052. The cubic root of 242262389 is about 623.3931108053.

The spelling of 242262389 in words is "two hundred forty-two million, two hundred sixty-two thousand, three hundred eighty-nine".