2137313 has 4 divisors (see below), whose sum is σ = 2167488. Its totient is φ = 2107140.

The previous prime is 2137307. The next prime is 2137327. The reversal of 2137313 is 3137312.

It is a happy number.

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 2137313 - 2¹⁰ = 2136289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137613) 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, 14981 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (541872).

2^2137313 is an apocalyptic number.

It is an amenable number.

2137313 is a deficient number, since it is larger than the sum of its proper divisors (30175).

2137313 is an equidigital number, since it uses as much as digits as its factorization.

2137313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30174.

The product of its digits is 378, while the sum is 20.

The square root of 2137313 is about 1461.9551976719. The cubic root of 2137313 is about 128.8119166797.

Subtracting 2137313 from its reverse (3137312), we obtain a palindrome (999999).

The spelling of 2137313 in words is "two million, one hundred thirty-seven thousand, three hundred thirteen".