242633 has 2 divisors, whose sum is σ = 242634. Its totient is φ = 242632.

The previous prime is 242629. The next prime is 242639. The reversal of 242633 is 336242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 4489 = 488^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 242633 - 2² = 242629 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121316 + 121317.

It is an arithmetic number, because the mean of its divisors is an integer number (121317).

2²⁴²⁶³³ is an apocalyptic number.

It is an amenable number.

242633 is a deficient number, since it is larger than the sum of its proper divisors (1).

242633 is an equidigital number, since it uses as much as digits as its factorization.

242633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 242633 is about 492.5779126189. The cubic root of 242633 is about 62.3710836052.

Adding to 242633 its reverse (336242), we get a palindrome (578875).

The spelling of 242633 in words is "two hundred forty-two thousand, six hundred thirty-three".