242818953 has 8 divisors (see below), whose sum is σ = 348663168. Its totient is φ = 149427024.

The previous prime is 242818931. The next prime is 242818957. The reversal of 242818953 is 359818242.

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

It is not a de Polignac number, because 242818953 - 2¹⁶ = 242753417 is a prime.

It is a super-2 number, since 2×242818953² = 117922087872032418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242818957) 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, 3113025 + ... + 3113102.

It is an arithmetic number, because the mean of its divisors is an integer number (43582896).

Almost surely, 2^242818953 is an apocalyptic number.

It is an amenable number.

242818953 is a deficient number, since it is larger than the sum of its proper divisors (105844215).

242818953 is a wasteful number, since it uses less digits than its factorization.

242818953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226143.

The product of its digits is 138240, while the sum is 42.

The square root of 242818953 is about 15582.6491008429. The cubic root of 242818953 is about 623.8701318944.

It can be divided in two parts, 2428189 and 53, that added together give a palindrome (2428242).

The spelling of 242818953 in words is "two hundred forty-two million, eight hundred eighteen thousand, nine hundred fifty-three".