2054403 has 20 divisors (see below), whose sum is σ = 3306688. Its totient is φ = 1263600.

The previous prime is 2054369. The next prime is 2054443. The reversal of 2054403 is 3044502.

It is a happy number.

It is not a de Polignac number, because 2054403 - 2¹⁴ = 2038019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054443) 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 19 ways as a sum of consecutive naturals, for example, 78 + ... + 2028.

2^2054403 is an apocalyptic number.

2054403 is a deficient number, since it is larger than the sum of its proper divisors (1252285).

2054403 is a wasteful number, since it uses less digits than its factorization.

2054403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2054403 is about 1433.3188758961. The cubic root of 2054403 is about 127.1242919009.

Adding to 2054403 its reverse (3044502), we get a palindrome (5098905).

Subtracting 2054403 from its reverse (3044502), we obtain a palindrome (990099).

The spelling of 2054403 in words is "two million, fifty-four thousand, four hundred three".