6118891 has 2 divisors, whose sum is σ = 6118892. Its totient is φ = 6118890.

The previous prime is 6118823. The next prime is 6118927. The reversal of 6118891 is 1988116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6118891 - 2¹¹ = 6116843 is a prime.

6118891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6118291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059445 + 3059446.

It is an arithmetic number, because the mean of its divisors is an integer number (3059446).

Almost surely, 2^6118891 is an apocalyptic number.

6118891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6118891 is an equidigital number, since it uses as much as digits as its factorization.

6118891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 34.

The square root of 6118891 is about 2473.6392218753. The cubic root of 6118891 is about 182.9044361547.

The spelling of 6118891 in words is "six million, one hundred eighteen thousand, eight hundred ninety-one".