242430511 has 4 divisors (see below), whose sum is σ = 252970992. Its totient is φ = 231890032.

The previous prime is 242430491. The next prime is 242430521. The reversal of 242430511 is 115034242.

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 242430511 - 2⁵ = 242430479 is a prime.

It is a super-2 number, since 2×242430511² = 117545105327442242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242430521) 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, 5270206 + ... + 5270251.

It is an arithmetic number, because the mean of its divisors is an integer number (63242748).

Almost surely, 2^242430511 is an apocalyptic number.

242430511 is a deficient number, since it is larger than the sum of its proper divisors (10540481).

242430511 is a wasteful number, since it uses less digits than its factorization.

242430511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10540480.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 242430511 is about 15570.1801852130. The cubic root of 242430511 is about 623.5372821208.

Adding to 242430511 its reverse (115034242), we get a palindrome (357464753).

The spelling of 242430511 in words is "two hundred forty-two million, four hundred thirty thousand, five hundred eleven".