242252789 has 8 divisors (see below), whose sum is σ = 245698560. Its totient is φ = 238816656.

The previous prime is 242252783. The next prime is 242252809. The reversal of 242252789 is 987252242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242252789 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 (242252783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59084 + ... + 63050.

It is an arithmetic number, because the mean of its divisors is an integer number (30712320).

Almost surely, 2^242252789 is an apocalyptic number.

It is an amenable number.

242252789 is a deficient number, since it is larger than the sum of its proper divisors (3445771).

242252789 is an equidigital number, since it uses as much as digits as its factorization.

242252789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

The product of its digits is 161280, while the sum is 41.

The square root of 242252789 is about 15564.4720116039. The cubic root of 242252789 is about 623.3848764099.

The spelling of 242252789 in words is "two hundred forty-two million, two hundred fifty-two thousand, seven hundred eighty-nine".