917285063 has 2 divisors, whose sum is σ = 917285064. Its totient is φ = 917285062.

The previous prime is 917285029. The next prime is 917285069. The reversal of 917285063 is 360582719.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 917285063 - 2⁸ = 917284807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 917285063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (917285069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458642531 + 458642532.

It is an arithmetic number, because the mean of its divisors is an integer number (458642532).

Almost surely, 2^917285063 is an apocalyptic number.

917285063 is a deficient number, since it is larger than the sum of its proper divisors (1).

917285063 is an equidigital number, since it uses as much as digits as its factorization.

917285063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 917285063 is about 30286.7142985171. The cubic root of 917285063 is about 971.6311743848.

The spelling of 917285063 in words is "nine hundred seventeen million, two hundred eighty-five thousand, sixty-three".