2055403 has 6 divisors (see below), whose sum is σ = 2391036. Its totient is φ = 1761732.

The previous prime is 2055397. The next prime is 2055409. The reversal of 2055403 is 3045502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2055397) and next prime (2055409).

It is not a de Polignac number, because 2055403 - 2¹³ = 2047211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20925 + ... + 21022.

It is an arithmetic number, because the mean of its divisors is an integer number (398506).

2^2055403 is an apocalyptic number.

2055403 is a deficient number, since it is larger than the sum of its proper divisors (335633).

2055403 is an equidigital number, since it uses as much as digits as its factorization.

2055403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41961 (or 41954 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2055403 is about 1433.6676741839. The cubic root of 2055403 is about 127.1449148704.

Subtracting 2055403 from its reverse (3045502), we obtain a palindrome (990099).

The spelling of 2055403 in words is "two million, fifty-five thousand, four hundred three".