242258813 has 8 divisors (see below), whose sum is σ = 248472576. Its totient is φ = 236106000.

The previous prime is 242258803. The next prime is 242258827. The reversal of 242258813 is 318852242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242258813 - 2¹² = 242254717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242258803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7133 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (31059072).

Almost surely, 2^242258813 is an apocalyptic number.

It is an amenable number.

242258813 is a deficient number, since it is larger than the sum of its proper divisors (6213763).

242258813 is a wasteful number, since it uses less digits than its factorization.

242258813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475.

The product of its digits is 30720, while the sum is 35.

The square root of 242258813 is about 15564.6655280478. The cubic root of 242258813 is about 623.3900435184.

The spelling of 242258813 in words is "two hundred forty-two million, two hundred fifty-eight thousand, eight hundred thirteen".