2113937 has 4 divisors (see below), whose sum is σ = 2415936. Its totient is φ = 1811940.

The previous prime is 2113931. The next prime is 2113939. The reversal of 2113937 is 7393112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113937 - 2⁶ = 2113873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113931) 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, 150989 + ... + 151002.

It is an arithmetic number, because the mean of its divisors is an integer number (603984).

2^2113937 is an apocalyptic number.

It is an amenable number.

2113937 is a deficient number, since it is larger than the sum of its proper divisors (301999).

2113937 is an equidigital number, since it uses as much as digits as its factorization.

2113937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301998.

The product of its digits is 1134, while the sum is 26.

The square root of 2113937 is about 1453.9384443641. The cubic root of 2113937 is about 128.3405846618.

The spelling of 2113937 in words is "two million, one hundred thirteen thousand, nine hundred thirty-seven".