242892263 has 2 divisors, whose sum is σ = 242892264. Its totient is φ = 242892262.

The previous prime is 242892233. The next prime is 242892271. The reversal of 242892263 is 362298242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242892263 - 2⁸ = 242892007 is a prime.

It is a super-2 number, since 2×242892263² = 117993302850522338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242892233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121446131 + 121446132.

It is an arithmetic number, because the mean of its divisors is an integer number (121446132).

Almost surely, 2^242892263 is an apocalyptic number.

242892263 is a deficient number, since it is larger than the sum of its proper divisors (1).

242892263 is an equidigital number, since it uses as much as digits as its factorization.

242892263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 242892263 is about 15585.0012191209. The cubic root of 242892263 is about 623.9329102413.

Subtracting from 242892263 its sum of digits (38), we obtain a square (242892225 = 15585²).

The spelling of 242892263 in words is "two hundred forty-two million, eight hundred ninety-two thousand, two hundred sixty-three".