2845091 has 2 divisors, whose sum is σ = 2845092. Its totient is φ = 2845090.

The previous prime is 2845061. The next prime is 2845097. The reversal of 2845091 is 1905482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2845091 - 2¹⁰ = 2844067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2845097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422545 + 1422546.

It is an arithmetic number, because the mean of its divisors is an integer number (1422546).

2^2845091 is an apocalyptic number.

2845091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845091 is an equidigital number, since it uses as much as digits as its factorization.

2845091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2845091 is about 1686.7397546747. The cubic root of 2845091 is about 141.6985438454.

It can be divided in two parts, 28450 and 91, that multiplied together give a triangular number (2588950 = T₂₂₇₅).

The spelling of 2845091 in words is "two million, eight hundred forty-five thousand, ninety-one".