1056086917 has 2 divisors, whose sum is σ = 1056086918. Its totient is φ = 1056086916.

The previous prime is 1056086887. The next prime is 1056086953. The reversal of 1056086917 is 7196806501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696643236 + 359443681 = 26394^2 + 18959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056086917 - 2⁷ = 1056086789 is a prime.

It is a super-2 number, since 2×1056086917² = 2230639152517129778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056086117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528043458 + 528043459.

It is an arithmetic number, because the mean of its divisors is an integer number (528043459).

Almost surely, 2^1056086917 is an apocalyptic number.

It is an amenable number.

1056086917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056086917 is an equidigital number, since it uses as much as digits as its factorization.

1056086917 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 43.

The square root of 1056086917 is about 32497.4909339167. The cubic root of 1056086917 is about 1018.3566119512.

The spelling of 1056086917 in words is "one billion, fifty-six million, eighty-six thousand, nine hundred seventeen".