8530005917 has 4 divisors (see below), whose sum is σ = 8551492476. Its totient is φ = 8508519360.

The previous prime is 8530005899. The next prime is 8530005931. The reversal of 8530005917 is 7195000358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7532330521 + 997675396 = 86789^2 + 31586^2 .

It is a cyclic number.

It is not a de Polignac number, because 8530005917 - 2⁸ = 8530005661 is a prime.

It is a super-2 number, since 2×8530005917² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530002917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10742684 + ... + 10743477.

It is an arithmetic number, because the mean of its divisors is an integer number (2137873119).

Almost surely, 2^8530005917 is an apocalyptic number.

It is an amenable number.

8530005917 is a deficient number, since it is larger than the sum of its proper divisors (21486559).

8530005917 is a wasteful number, since it uses less digits than its factorization.

8530005917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486558.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 8530005917 is about 92358.0311451040. The cubic root of 8530005917 is about 2043.2261778397.

The spelling of 8530005917 in words is "eight billion, five hundred thirty million, five thousand, nine hundred seventeen".