4455091 has 2 divisors, whose sum is σ = 4455092. Its totient is φ = 4455090.

The previous prime is 4455079. The next prime is 4455097. The reversal of 4455091 is 1905544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4455091 - 2⁷ = 4454963 is a prime.

It is a Chen prime.

4455091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4455097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227545 + 2227546.

It is an arithmetic number, because the mean of its divisors is an integer number (2227546).

Almost surely, 2^4455091 is an apocalyptic number.

4455091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455091 is an equidigital number, since it uses as much as digits as its factorization.

4455091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4455091 is about 2110.7086487718. The cubic root of 4455091 is about 164.5453169187.

The spelling of 4455091 in words is "four million, four hundred fifty-five thousand, ninety-one".