6995091 has 4 divisors (see below), whose sum is σ = 9326792. Its totient is φ = 4663392.

The previous prime is 6995089. The next prime is 6995101. The reversal of 6995091 is 1905996.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6995091 - 2¹ = 6995089 is a prime.

It is a D-number.

It is a Duffinian number.

6995091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6995071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165846 + ... + 1165851.

It is an arithmetic number, because the mean of its divisors is an integer number (2331698).

Almost surely, 2^6995091 is an apocalyptic number.

6995091 is a deficient number, since it is larger than the sum of its proper divisors (2331701).

6995091 is a wasteful number, since it uses less digits than its factorization.

6995091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331700.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 6995091 is about 2644.8234345604. The cubic root of 6995091 is about 191.2483907763.

The spelling of 6995091 in words is "six million, nine hundred ninety-five thousand, ninety-one".