4501091 has 12 divisors (see below), whose sum is σ = 5295528. Its totient is φ = 3814272.

The previous prime is 4501069. The next prime is 4501093. The reversal of 4501091 is 1901054.

It is not a de Polignac number, because 4501091 - 2⁶ = 4501027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4501093) 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 11 ways as a sum of consecutive naturals, for example, 4280 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (441294).

Almost surely, 2^4501091 is an apocalyptic number.

4501091 is a deficient number, since it is larger than the sum of its proper divisors (794437).

4501091 is an equidigital number, since it uses as much as digits as its factorization.

4501091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 4501091 is about 2121.5774791414. The cubic root of 4501091 is about 165.1097035986.

The spelling of 4501091 in words is "four million, five hundred one thousand, ninety-one".