5272318865 has 16 divisors (see below), whose sum is σ = 7202030976. Its totient is φ = 3667699200.

The previous prime is 5272318861. The next prime is 5272318867. The reversal of 5272318865 is 5688132725.

It is not a de Polignac number, because 5272318865 - 2² = 5272318861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5272318861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082656 + ... + 2085185.

It is an arithmetic number, because the mean of its divisors is an integer number (450126936).

Almost surely, 2^5272318865 is an apocalyptic number.

5272318865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5272318865 is a deficient number, since it is larger than the sum of its proper divisors (1929712111).

5272318865 is a wasteful number, since it uses less digits than its factorization.

5272318865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167880.

The product of its digits is 806400, while the sum is 47.

The square root of 5272318865 is about 72610.7351911548. The cubic root of 5272318865 is about 1740.4727284944.

The spelling of 5272318865 in words is "five billion, two hundred seventy-two million, three hundred eighteen thousand, eight hundred sixty-five".