2991113 has 4 divisors (see below), whose sum is σ = 3148560. Its totient is φ = 2833668.

The previous prime is 2991103. The next prime is 2991139. The reversal of 2991113 is 3111992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2991113 - 2⁶ = 2991049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2991103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78695 + ... + 78732.

It is an arithmetic number, because the mean of its divisors is an integer number (787140).

2^2991113 is an apocalyptic number.

It is an amenable number.

2991113 is a deficient number, since it is larger than the sum of its proper divisors (157447).

2991113 is a wasteful number, since it uses less digits than its factorization.

2991113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157446.

The product of its digits is 486, while the sum is 26.

The square root of 2991113 is about 1729.4834488945. The cubic root of 2991113 is about 144.0824020402.

The spelling of 2991113 in words is "two million, nine hundred ninety-one thousand, one hundred thirteen".