2481813 has 16 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 1556928.

The previous prime is 2481811. The next prime is 2481823. The reversal of 2481813 is 3181842.

It is not a de Polignac number, because 2481813 - 2¹ = 2481811 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (243360).

2^2481813 is an apocalyptic number.

It is an amenable number.

2481813 is a deficient number, since it is larger than the sum of its proper divisors (1411947).

2481813 is a wasteful number, since it uses less digits than its factorization.

2481813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433 (or 5427 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 2481813 is about 1575.3770977134. The cubic root of 2481813 is about 135.3909654209.

2481813 divided by its sum of digits (27) gives a palindrome (91919).

The spelling of 2481813 in words is "two million, four hundred eighty-one thousand, eight hundred thirteen".