242885719 has 4 divisors (see below), whose sum is σ = 243049896. Its totient is φ = 242721544.

The previous prime is 242885689. The next prime is 242885729. The reversal of 242885719 is 917588242.

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

It is a cyclic number.

It is not a de Polignac number, because 242885719 - 2⁹ = 242885207 is a prime.

It is a super-2 number, since 2×242885719² = 117986944988293922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242885729) 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, 79849 + ... + 82834.

It is an arithmetic number, because the mean of its divisors is an integer number (60762474).

Almost surely, 2^242885719 is an apocalyptic number.

242885719 is a deficient number, since it is larger than the sum of its proper divisors (164177).

242885719 is a wasteful number, since it uses less digits than its factorization.

242885719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164176.

The product of its digits is 322560, while the sum is 46.

The square root of 242885719 is about 15584.7912722628. The cubic root of 242885719 is about 623.9273068604.

The spelling of 242885719 in words is "two hundred forty-two million, eight hundred eighty-five thousand, seven hundred nineteen".