2113516 has 12 divisors (see below), whose sum is σ = 3859632. Its totient is φ = 1010768.

The previous prime is 2113513. The next prime is 2113523. The reversal of 2113516 is 6153112.

It is a junction number, because it is equal to n+sod(n) for n = 2113493 and 2113502.

It is not an unprimeable number, because it can be changed into a prime (2113511) 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, 11395 + ... + 11578.

It is an arithmetic number, because the mean of its divisors is an integer number (321636).

2^2113516 is an apocalyptic number.

It is an amenable number.

2113516 is a deficient number, since it is larger than the sum of its proper divisors (1746116).

2113516 is a wasteful number, since it uses less digits than its factorization.

2113516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23000 (or 22998 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 2113516 is about 1453.7936579859. The cubic root of 2113516 is about 128.3320642291.

Adding to 2113516 its reverse (6153112), we get a palindrome (8266628).

The spelling of 2113516 in words is "two million, one hundred thirteen thousand, five hundred sixteen".