242783263 has 4 divisors (see below), whose sum is σ = 248704848. Its totient is φ = 236861680.

The previous prime is 242783251. The next prime is 242783267. The reversal of 242783263 is 362387242.

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 242783263 - 2²¹ = 240686111 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 (242783267) 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, 2960731 + ... + 2960812.

It is an arithmetic number, because the mean of its divisors is an integer number (62176212).

Almost surely, 2^242783263 is an apocalyptic number.

242783263 is a deficient number, since it is larger than the sum of its proper divisors (5921585).

242783263 is an equidigital number, since it uses as much as digits as its factorization.

242783263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921584.

The product of its digits is 96768, while the sum is 37.

The square root of 242783263 is about 15581.5038747869. The cubic root of 242783263 is about 623.8395645166.

The spelling of 242783263 in words is "two hundred forty-two million, seven hundred eighty-three thousand, two hundred sixty-three".