917313 has 4 divisors (see below), whose sum is σ = 1223088. Its totient is φ = 611540.

The previous prime is 917291. The next prime is 917317. The reversal of 917313 is 313719.

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 917313 - 2⁵ = 917281 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 917313.

It is not an unprimeable number, because it can be changed into a prime (917317) 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, 152883 + ... + 152888.

It is an arithmetic number, because the mean of its divisors is an integer number (305772).

2⁹¹⁷³¹³ is an apocalyptic number.

It is an amenable number.

917313 is a deficient number, since it is larger than the sum of its proper divisors (305775).

917313 is a wasteful number, since it uses less digits than its factorization.

917313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305774.

The product of its digits is 567, while the sum is 24.

The square root of 917313 is about 957.7645848537. The cubic root of 917313 is about 97.1641038343.

The spelling of 917313 in words is "nine hundred seventeen thousand, three hundred thirteen".