2097913 has 4 divisors (see below), whose sum is σ = 2114560. Its totient is φ = 2081268.

The previous prime is 2097911. The next prime is 2097917. The reversal of 2097913 is 3197902.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3197902 = 2 ⋅1598951.

It is a cyclic number.

It is not a de Polignac number, because 2097913 - 2¹ = 2097911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097911) 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, 8133 + ... + 8386.

It is an arithmetic number, because the mean of its divisors is an integer number (528640).

2^2097913 is an apocalyptic number.

It is an amenable number.

2097913 is a deficient number, since it is larger than the sum of its proper divisors (16647).

2097913 is a wasteful number, since it uses less digits than its factorization.

2097913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2097913 is about 1448.4174122124. The cubic root of 2097913 is about 128.0154807123.

The spelling of 2097913 in words is "two million, ninety-seven thousand, nine hundred thirteen".