916913 has 2 divisors, whose sum is σ = 916914. Its totient is φ = 916912.

The previous prime is 916907. The next prime is 916931. The reversal of 916913 is 319619.

Together with next prime (916931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906304 + 10609 = 952^2 + 103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (916933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458456 + 458457.

It is an arithmetic number, because the mean of its divisors is an integer number (458457).

2⁹¹⁶⁹¹³ is an apocalyptic number.

It is an amenable number.

916913 is a deficient number, since it is larger than the sum of its proper divisors (1).

916913 is an equidigital number, since it uses as much as digits as its factorization.

916913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 916913 is about 957.5557425028. Note that the first 3 decimals coincide. The cubic root of 916913 is about 97.1499787784.

The spelling of 916913 in words is "nine hundred sixteen thousand, nine hundred thirteen".