242511242 has 4 divisors (see below), whose sum is σ = 363766866. Its totient is φ = 121255620.

The previous prime is 242511223. The next prime is 242511259. The reversal of 242511242 is 242115242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242115242 = 2 ⋅121057621.

It can be written as a sum of positive squares in only one way, i.e., 236513641 + 5997601 = 15379^2 + 2449^2 .

It is a super-4 number, since 4×242511242⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60627809 + ... + 60627812.

Almost surely, 2^242511242 is an apocalyptic number.

242511242 is a deficient number, since it is larger than the sum of its proper divisors (121255624).

242511242 is a wasteful number, since it uses less digits than its factorization.

242511242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121255623.

The product of its digits is 1280, while the sum is 23.

The square root of 242511242 is about 15572.7724570803. The cubic root of 242511242 is about 623.6064884835.

Adding to 242511242 its reverse (242115242), we get a palindrome (484626484).

The spelling of 242511242 in words is "two hundred forty-two million, five hundred eleven thousand, two hundred forty-two".