917140613 has 2 divisors, whose sum is σ = 917140614. Its totient is φ = 917140612.

The previous prime is 917140597. The next prime is 917140619. The reversal of 917140613 is 316041719.

917140613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593068609 + 324072004 = 24353^2 + 18002^2 .

It is a cyclic number.

It is not a de Polignac number, because 917140613 - 2⁴ = 917140597 is a prime.

It is a super-2 number, since 2×917140613² = 1682293808028031538, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 917140613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (917140619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458570306 + 458570307.

It is an arithmetic number, because the mean of its divisors is an integer number (458570307).

Almost surely, 2^917140613 is an apocalyptic number.

It is an amenable number.

917140613 is a deficient number, since it is larger than the sum of its proper divisors (1).

917140613 is an equidigital number, since it uses as much as digits as its factorization.

917140613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 917140613 is about 30284.3294956319. The cubic root of 917140613 is about 971.5801689788.

The spelling of 917140613 in words is "nine hundred seventeen million, one hundred forty thousand, six hundred thirteen".