2503091 has 4 divisors (see below), whose sum is σ = 2564184. Its totient is φ = 2442000.

The previous prime is 2503069. The next prime is 2503103. The reversal of 2503091 is 1903052.

2503091 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 2503091 - 2⁶ = 2503027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503001) 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, 30485 + ... + 30566.

It is an arithmetic number, because the mean of its divisors is an integer number (641046).

2^2503091 is an apocalyptic number.

2503091 is a deficient number, since it is larger than the sum of its proper divisors (61093).

2503091 is an equidigital number, since it uses as much as digits as its factorization.

2503091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61092.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2503091 is about 1582.1159881627. The cubic root of 2503091 is about 135.7767928919.

The spelling of 2503091 in words is "two million, five hundred three thousand, ninety-one".