242652089 has 4 divisors (see below), whose sum is σ = 242736000. Its totient is φ = 242568180.

The previous prime is 242652041. The next prime is 242652107. The reversal of 242652089 is 980256242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242652089 - 2⁸ = 242651833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242652029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37457 + ... + 43454.

It is an arithmetic number, because the mean of its divisors is an integer number (60684000).

Almost surely, 2^242652089 is an apocalyptic number.

It is an amenable number.

242652089 is a deficient number, since it is larger than the sum of its proper divisors (83911).

242652089 is an equidigital number, since it uses as much as digits as its factorization.

242652089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83910.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 242652089 is about 15577.2940204645. The cubic root of 242652089 is about 623.7271923098.

The spelling of 242652089 in words is "two hundred forty-two million, six hundred fifty-two thousand, eighty-nine".