8518005297 has 6 divisors (see below), whose sum is σ = 12303785442. Its totient is φ = 5678670192.

The previous prime is 8518005241. The next prime is 8518005299. The reversal of 8518005297 is 7925008158.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6391043136 + 2126962161 = 79944^2 + 46119^2 .

It is not a de Polignac number, because 8518005297 - 2¹² = 8518001201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8518005299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 473222508 + ... + 473222525.

It is an arithmetic number, because the mean of its divisors is an integer number (2050630907).

Almost surely, 2^8518005297 is an apocalyptic number.

It is an amenable number.

8518005297 is a deficient number, since it is larger than the sum of its proper divisors (3785780145).

8518005297 is a wasteful number, since it uses less digits than its factorization.

8518005297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946445039 (or 946445036 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 8518005297 is about 92293.0403497468. The cubic root of 8518005297 is about 2042.2675427584.

The spelling of 8518005297 in words is "eight billion, five hundred eighteen million, five thousand, two hundred ninety-seven".