918011 has 2 divisors, whose sum is σ = 918012. Its totient is φ = 918010.

The previous prime is 917993. The next prime is 918019. The reversal of 918011 is 110819.

It is a strong prime.

It is an emirp because it is prime and its reverse (110819) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918011 is a prime.

It is a super-2 number, since 2×918011² = 1685488392242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (918019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459005 + 459006.

It is an arithmetic number, because the mean of its divisors is an integer number (459006).

2⁹¹⁸⁰¹¹ is an apocalyptic number.

918011 is a deficient number, since it is larger than the sum of its proper divisors (1).

918011 is an equidigital number, since it uses as much as digits as its factorization.

918011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 918011 is about 958.1289057324. The cubic root of 918011 is about 97.1887422256.

The spelling of 918011 in words is "nine hundred eighteen thousand, eleven".