2418081 has 4 divisors (see below), whose sum is σ = 3224112. Its totient is φ = 1612052.

The previous prime is 2418079. The next prime is 2418083. The reversal of 2418081 is 1808142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2418079) and next prime (2418083).

It is a cyclic number.

It is not a de Polignac number, because 2418081 - 2¹ = 2418079 is a prime.

It is a super-2 number, since 2×2418081² = 11694231445122, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

2418081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2418083) 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, 403011 + ... + 403016.

It is an arithmetic number, because the mean of its divisors is an integer number (806028).

2^2418081 is an apocalyptic number.

It is an amenable number.

2418081 is a deficient number, since it is larger than the sum of its proper divisors (806031).

2418081 is an equidigital number, since it uses as much as digits as its factorization.

2418081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806030.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2418081 is about 1555.0180063266. The cubic root of 2418081 is about 134.2219718926.

The spelling of 2418081 in words is "two million, four hundred eighteen thousand, eighty-one".