2113763 has 4 divisors (see below), whose sum is σ = 2238120. Its totient is φ = 1989408.

The previous prime is 2113759. The next prime is 2113789. The reversal of 2113763 is 3673112.

It is a happy number.

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

It is not a de Polignac number, because 2113763 - 2² = 2113759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62153 + ... + 62186.

It is an arithmetic number, because the mean of its divisors is an integer number (559530).

2^2113763 is an apocalyptic number.

2113763 is a deficient number, since it is larger than the sum of its proper divisors (124357).

2113763 is a wasteful number, since it uses less digits than its factorization.

2113763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124356.

The product of its digits is 756, while the sum is 23.

The square root of 2113763 is about 1453.8786056614. The cubic root of 2113763 is about 128.3370632900.

Adding to 2113763 its reverse (3673112), we get a palindrome (5786875).

The spelling of 2113763 in words is "two million, one hundred thirteen thousand, seven hundred sixty-three".