2113437 has 8 divisors (see below), whose sum is σ = 2826720. Its totient is φ = 1404560.

The previous prime is 2113421. The next prime is 2113451. The reversal of 2113437 is 7343112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113437 - 2⁴ = 2113421 is a prime.

It is a super-3 number, since 3×2113437³ = 28319734259384833359, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (353340).

2^2113437 is an apocalyptic number.

It is an amenable number.

2113437 is a deficient number, since it is larger than the sum of its proper divisors (713283).

2113437 is a wasteful number, since it uses less digits than its factorization.

2113437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its digits is 504, while the sum is 21.

The square root of 2113437 is about 1453.7664874387. The cubic root of 2113437 is about 128.3304652570.

Adding to 2113437 its reverse (7343112), we get a palindrome (9456549).

The spelling of 2113437 in words is "two million, one hundred thirteen thousand, four hundred thirty-seven".