242573873 has 2 divisors, whose sum is σ = 242573874. Its totient is φ = 242573872.

The previous prime is 242573809. The next prime is 242573911. The reversal of 242573873 is 378375242.

242573873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241740304 + 833569 = 15548^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 242573873 - 2⁶ = 242573809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242573873.

It is not a weakly prime, because it can be changed into another prime (242573273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286936 + 121286937.

It is an arithmetic number, because the mean of its divisors is an integer number (121286937).

Almost surely, 2^242573873 is an apocalyptic number.

It is an amenable number.

242573873 is a deficient number, since it is larger than the sum of its proper divisors (1).

242573873 is an equidigital number, since it uses as much as digits as its factorization.

242573873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 242573873 is about 15574.7832408673. The cubic root of 242573873 is about 623.6601681066.

The spelling of 242573873 in words is "two hundred forty-two million, five hundred seventy-three thousand, eight hundred seventy-three".