2481663 has 16 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 1596000.

The previous prime is 2481653. The next prime is 2481697. The reversal of 2481663 is 3661842.

It is not a de Polignac number, because 2481663 - 2¹⁴ = 2465279 is a prime.

2481663 is a lucky number.

It is a plaindrome in base 8, base 11 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2481663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481653) 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 15 ways as a sum of consecutive naturals, for example, 12898 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (214272).

2^2481663 is an apocalyptic number.

2481663 is a deficient number, since it is larger than the sum of its proper divisors (946689).

2481663 is a wasteful number, since it uses less digits than its factorization.

2481663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 6912, while the sum is 30.

The square root of 2481663 is about 1575.3294893450. The cubic root of 2481663 is about 135.3882377034.

The spelling of 2481663 in words is "two million, four hundred eighty-one thousand, six hundred sixty-three".