2481999 has 16 divisors (see below), whose sum is σ = 3720192. Its totient is φ = 1460448.

The previous prime is 2481979. The next prime is 2482009. The reversal of 2481999 is 9991842.

It is not a de Polignac number, because 2481999 - 2¹⁵ = 2449231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2481999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (232512).

2^2481999 is an apocalyptic number.

2481999 is a deficient number, since it is larger than the sum of its proper divisors (1238193).

2481999 is a wasteful number, since it uses less digits than its factorization.

2481999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its digits is 46656, while the sum is 42.

The square root of 2481999 is about 1575.4361300922. The cubic root of 2481999 is about 135.3943476379.

The spelling of 2481999 in words is "two million, four hundred eighty-one thousand, nine hundred ninety-nine".