5285173731 has 16 divisors (see below), whose sum is σ = 7213616256. Its totient is φ = 3440154816.

The previous prime is 5285173723. The next prime is 5285173781. The reversal of 5285173731 is 1373715825.

It is a happy number.

It is not a de Polignac number, because 5285173731 - 2³ = 5285173723 is a prime.

It is a super-2 number, since 2×5285173731² = 55866122733704920722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5285173711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401551 + ... + 414503.

It is an arithmetic number, because the mean of its divisors is an integer number (450851016).

Almost surely, 2^5285173731 is an apocalyptic number.

5285173731 is a deficient number, since it is larger than the sum of its proper divisors (1928442525).

5285173731 is a wasteful number, since it uses less digits than its factorization.

5285173731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16162.

The product of its digits is 176400, while the sum is 42.

The square root of 5285173731 is about 72699.2003463587. The cubic root of 5285173731 is about 1741.8861094174.

The spelling of 5285173731 in words is "five billion, two hundred eighty-five million, one hundred seventy-three thousand, seven hundred thirty-one".