2090503 has 4 divisors (see below), whose sum is σ = 2094448. Its totient is φ = 2086560.

The previous prime is 2090497. The next prime is 2090509. The reversal of 2090503 is 3050902.

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

It is an interprime number because it is at equal distance from previous prime (2090497) and next prime (2090509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2090503 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090509) 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 3 ways as a sum of consecutive naturals, for example, 1026 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (523612).

2^2090503 is an apocalyptic number.

2090503 is a deficient number, since it is larger than the sum of its proper divisors (3945).

2090503 is an equidigital number, since it uses as much as digits as its factorization.

2090503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 2090503 is about 1445.8571852019. The cubic root of 2090503 is about 127.8645825345.

The spelling of 2090503 in words is "two million, ninety thousand, five hundred three".