6211091 has 2 divisors, whose sum is σ = 6211092. Its totient is φ = 6211090.

The previous prime is 6211061. The next prime is 6211159. The reversal of 6211091 is 1901126.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6211091 - 2⁶ = 6211027 is a prime.

It is not a weakly prime, because it can be changed into another prime (6211061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105545 + 3105546.

It is an arithmetic number, because the mean of its divisors is an integer number (3105546).

Almost surely, 2^6211091 is an apocalyptic number.

6211091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6211091 is an equidigital number, since it uses as much as digits as its factorization.

6211091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 6211091 is about 2492.2060508714. The cubic root of 6211091 is about 183.8185336779.

The spelling of 6211091 in words is "six million, two hundred eleven thousand, ninety-one".