242500873 has 4 divisors (see below), whose sum is σ = 245000980. Its totient is φ = 240000768.

The previous prime is 242500837. The next prime is 242500877. The reversal of 242500873 is 378005242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107081104 + 135419769 = 10348^2 + 11637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242500873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242500877) 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, 1249908 + ... + 1250101.

It is an arithmetic number, because the mean of its divisors is an integer number (61250245).

Almost surely, 2^242500873 is an apocalyptic number.

It is an amenable number.

242500873 is a deficient number, since it is larger than the sum of its proper divisors (2500107).

242500873 is an equidigital number, since it uses as much as digits as its factorization.

242500873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500106.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 242500873 is about 15572.4395327129. The cubic root of 242500873 is about 623.5976005549.

It can be divided in two parts, 242500 and 873, that multiplied together give a square (211702500 = 14550²).

The spelling of 242500873 in words is "two hundred forty-two million, five hundred thousand, eight hundred seventy-three".