242795239 has 4 divisors (see below), whose sum is σ = 242943424. Its totient is φ = 242647056.

The previous prime is 242795237. The next prime is 242795251. The reversal of 242795239 is 932597242.

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

It is a cyclic number.

It is not a de Polignac number, because 242795239 - 2¹ = 242795237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242795195 and 242795204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242795233) 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, 71607 + ... + 74920.

It is an arithmetic number, because the mean of its divisors is an integer number (60735856).

Almost surely, 2^242795239 is an apocalyptic number.

242795239 is a deficient number, since it is larger than the sum of its proper divisors (148185).

242795239 is a wasteful number, since it uses less digits than its factorization.

242795239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148184.

The product of its digits is 272160, while the sum is 43.

The square root of 242795239 is about 15581.8881718488. Note that the first 3 decimals coincide. The cubic root of 242795239 is about 623.8498219230.

The spelling of 242795239 in words is "two hundred forty-two million, seven hundred ninety-five thousand, two hundred thirty-nine".