242682481 has 4 divisors (see below), whose sum is σ = 242719092. Its totient is φ = 242645872.

The previous prime is 242682439. The next prime is 242682487. The reversal of 242682481 is 184286242.

242682481 = 11015² + 11016².

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 121352256 + 121330225 = 11016^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 242682481 - 2¹⁹ = 242158193 is a prime.

It is a super-2 number, since 2×242682481² = 117789573168630722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242682481.

It is not an unprimeable number, because it can be changed into a prime (242682487) 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, 5266 + ... + 22651.

It is an arithmetic number, because the mean of its divisors is an integer number (60679773).

Almost surely, 2^242682481 is an apocalyptic number.

242682481 is the 11016-th centered square number.

It is an amenable number.

242682481 is a deficient number, since it is larger than the sum of its proper divisors (36611).

242682481 is an equidigital number, since it uses as much as digits as its factorization.

242682481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36610.

The product of its digits is 49152, while the sum is 37.

The square root of 242682481 is about 15578.2695123688. The cubic root of 242682481 is about 623.7532316838.

The spelling of 242682481 in words is "two hundred forty-two million, six hundred eighty-two thousand, four hundred eighty-one".