2418281 has 4 divisors (see below), whose sum is σ = 2501700. Its totient is φ = 2334864.

The previous prime is 2418257. The next prime is 2418293. The reversal of 2418281 is 1828142.

2418281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1243225 + 1175056 = 1115^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418281 - 2¹⁴ = 2401897 is a prime.

It is a super-2 number, since 2×2418281² = 11696165989922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2418281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41666 + ... + 41723.

It is an arithmetic number, because the mean of its divisors is an integer number (625425).

2^2418281 is an apocalyptic number.

It is an amenable number.

2418281 is a deficient number, since it is larger than the sum of its proper divisors (83419).

2418281 is an equidigital number, since it uses as much as digits as its factorization.

2418281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83418.

The product of its digits is 1024, while the sum is 26.

The square root of 2418281 is about 1555.0823129339. The cubic root of 2418281 is about 134.2256723000.

The spelling of 2418281 in words is "two million, four hundred eighteen thousand, two hundred eighty-one".