6517325945 has 16 divisors (see below), whose sum is σ = 8865675840. Its totient is φ = 4559488704.

The previous prime is 6517325911. The next prime is 6517325957. The reversal of 6517325945 is 5495237156.

It is a cyclic number.

It is not a de Polignac number, because 6517325945 - 2¹² = 6517321849 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6517325945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2637359 + ... + 2639828.

It is an arithmetic number, because the mean of its divisors is an integer number (554104740).

Almost surely, 2^6517325945 is an apocalyptic number.

6517325945 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6517325945 is a deficient number, since it is larger than the sum of its proper divisors (2348349895).

6517325945 is a wasteful number, since it uses less digits than its factorization.

6517325945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277224.

The product of its digits is 1134000, while the sum is 47.

The square root of 6517325945 is about 80729.9569243041. The cubic root of 6517325945 is about 1867.9122940150.

The spelling of 6517325945 in words is "six billion, five hundred seventeen million, three hundred twenty-five thousand, nine hundred forty-five".