242383481 has 4 divisors (see below), whose sum is σ = 243614052. Its totient is φ = 241152912.

The previous prime is 242383459. The next prime is 242383511. The reversal of 242383481 is 184383242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 127893481 + 114490000 = 11309^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 242383481 - 2¹⁰ = 242382457 is a prime.

It is a super-2 number, since 2×242383481² = 117499503723354722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242383181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614990 + ... + 615383.

It is an arithmetic number, because the mean of its divisors is an integer number (60903513).

Almost surely, 2^242383481 is an apocalyptic number.

It is an amenable number.

242383481 is a deficient number, since it is larger than the sum of its proper divisors (1230571).

242383481 is a wasteful number, since it uses less digits than its factorization.

242383481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230570.

The product of its digits is 36864, while the sum is 35.

The square root of 242383481 is about 15568.6698532662. The cubic root of 242383481 is about 623.4969587380.

The spelling of 242383481 in words is "two hundred forty-two million, three hundred eighty-three thousand, four hundred eighty-one".