2675991 has 4 divisors (see below), whose sum is σ = 3567992. Its totient is φ = 1783992.

The previous prime is 2675989. The next prime is 2675993. The reversal of 2675991 is 1995762.

2675991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2675989) and next prime (2675993).

It is not a de Polignac number, because 2675991 - 2¹ = 2675989 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁶ + 7 + 5 + 9³ + 9⁶ + 1 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2675993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445996 + ... + 446001.

It is an arithmetic number, because the mean of its divisors is an integer number (891998).

2^2675991 is an apocalyptic number.

2675991 is a deficient number, since it is larger than the sum of its proper divisors (892001).

2675991 is an equidigital number, since it uses as much as digits as its factorization.

2675991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892000.

The product of its digits is 34020, while the sum is 39.

The square root of 2675991 is about 1635.8456528658. The cubic root of 2675991 is about 138.8336951418.

The spelling of 2675991 in words is "two million, six hundred seventy-five thousand, nine hundred ninety-one".