2194503 has 4 divisors (see below), whose sum is σ = 2926008. Its totient is φ = 1463000.

The previous prime is 2194501. The next prime is 2194529. The reversal of 2194503 is 3054912.

2194503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2194503 - 2¹ = 2194501 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194501) 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 3 ways as a sum of consecutive naturals, for example, 365748 + ... + 365753.

It is an arithmetic number, because the mean of its divisors is an integer number (731502).

2^2194503 is an apocalyptic number.

2194503 is a deficient number, since it is larger than the sum of its proper divisors (731505).

2194503 is an equidigital number, since it uses as much as digits as its factorization.

2194503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731504.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2194503 is about 1481.3855001315. The cubic root of 2194503 is about 129.9507308366.

It can be divided in two parts, 219450 and 3, that added together give a triangular number (219453 = T₆₆₂).

The spelling of 2194503 in words is "two million, one hundred ninety-four thousand, five hundred three".