4505091 has 16 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 2898368.

The previous prime is 4505057. The next prime is 4505099. The reversal of 4505091 is 1905054.

It is a cyclic number.

It is not a de Polignac number, because 4505091 - 2⁷ = 4504963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4505099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12370 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^4505091 is an apocalyptic number.

4505091 is a deficient number, since it is larger than the sum of its proper divisors (1715709).

4505091 is a wasteful number, since it uses less digits than its factorization.

4505091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 4505091 is about 2122.5199645704. The cubic root of 4505091 is about 165.1585986533.

The spelling of 4505091 in words is "four million, five hundred five thousand, ninety-one".