2017913 has 4 divisors (see below), whose sum is σ = 2036880. Its totient is φ = 1998948.

The previous prime is 2017909. The next prime is 2017919. The reversal of 2017913 is 3197102.

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: 3197102 = 2 ⋅1598551.

It is a cyclic number.

It is not a de Polignac number, because 2017913 - 2² = 2017909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2017919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9323 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (509220).

2^2017913 is an apocalyptic number.

It is an amenable number.

2017913 is a deficient number, since it is larger than the sum of its proper divisors (18967).

2017913 is a wasteful number, since it uses less digits than its factorization.

2017913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18966.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2017913 is about 1420.5326465801. The cubic root of 2017913 is about 126.3671369795.

The spelling of 2017913 in words is "two million, seventeen thousand, nine hundred thirteen".