242173589 has 8 divisors (see below), whose sum is σ = 281992320. Its totient is φ = 203660496.

The previous prime is 242173579. The next prime is 242173597. The reversal of 242173589 is 985371242.

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

It is a cyclic number.

It is not a de Polignac number, because 242173589 - 2²⁰ = 241125013 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 (242173559) 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, 326009 + ... + 326750.

It is an arithmetic number, because the mean of its divisors is an integer number (35249040).

Almost surely, 2^242173589 is an apocalyptic number.

It is an amenable number.

242173589 is a deficient number, since it is larger than the sum of its proper divisors (39818731).

242173589 is an equidigital number, since it uses as much as digits as its factorization.

242173589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652819.

The product of its digits is 120960, while the sum is 41.

The square root of 242173589 is about 15561.9275477044. The cubic root of 242173589 is about 623.3169343457.

The spelling of 242173589 in words is "two hundred forty-two million, one hundred seventy-three thousand, five hundred eighty-nine".