2981113 has 4 divisors (see below), whose sum is σ = 3083940. Its totient is φ = 2878288.

The previous prime is 2981089. The next prime is 2981123. The reversal of 2981113 is 3111892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 2036329 = 972^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 2981113 - 2¹⁷ = 2850041 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2981123) 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, 51370 + ... + 51427.

It is an arithmetic number, because the mean of its divisors is an integer number (770985).

2^2981113 is an apocalyptic number.

It is an amenable number.

2981113 is a deficient number, since it is larger than the sum of its proper divisors (102827).

2981113 is a wasteful number, since it uses less digits than its factorization.

2981113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102826.

The product of its digits is 432, while the sum is 25.

The square root of 2981113 is about 1726.5899918626. The cubic root of 2981113 is about 143.9216555576.

The spelling of 2981113 in words is "two million, nine hundred eighty-one thousand, one hundred thirteen".