2113045 has 16 divisors (see below), whose sum is σ = 2800512. Its totient is φ = 1517760.

The previous prime is 2113043. The next prime is 2113087. The reversal of 2113045 is 5403112.

It is not a de Polignac number, because 2113045 - 2¹ = 2113043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (175032).

2^2113045 is an apocalyptic number.

It is an amenable number.

2113045 is a deficient number, since it is larger than the sum of its proper divisors (687467).

2113045 is a wasteful number, since it uses less digits than its factorization.

2113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2113045 is about 1453.6316589838. The cubic root of 2113045 is about 128.3225305275.

Adding to 2113045 its reverse (5403112), we get a palindrome (7516157).

The spelling of 2113045 in words is "two million, one hundred thirteen thousand, forty-five".