242873 has 2 divisors, whose sum is σ = 242874. Its totient is φ = 242872.

The previous prime is 242867. The next prime is 242887. The reversal of 242873 is 378242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157609 + 85264 = 397^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 242873 - 2⁸ = 242617 is a prime.

It is not a weakly prime, because it can be changed into another prime (242813) 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, 121436 + 121437.

It is an arithmetic number, because the mean of its divisors is an integer number (121437).

2²⁴²⁸⁷³ is an apocalyptic number.

It is an amenable number.

242873 is a deficient number, since it is larger than the sum of its proper divisors (1).

242873 is an equidigital number, since it uses as much as digits as its factorization.

242873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 242873 is about 492.8214686882. The cubic root of 242873 is about 62.3916415771.

It can be divided in two parts, 2 and 42873, that added together give a cube (42875 = 35³).

The spelling of 242873 in words is "two hundred forty-two thousand, eight hundred seventy-three".