5185751272 has 32 divisors (see below), whose sum is σ = 10574925480. Its totient is φ = 2369721600.

The previous prime is 5185751267. The next prime is 5185751287. The reversal of 5185751272 is 2721575815.

It can be written as a sum of positive squares in 4 ways, for example, as 3743726596 + 1442024676 = 61186^2 + 37974^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236343 + ... + 257350.

Almost surely, 2^5185751272 is an apocalyptic number.

5185751272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5185751272 is an abundant number, since it is smaller than the sum of its proper divisors (5389174208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5185751272 is a wasteful number, since it uses less digits than its factorization.

5185751272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493813 (or 493809 counting only the distinct ones).

The product of its digits is 196000, while the sum is 43.

The square root of 5185751272 is about 72012.1605841680. The cubic root of 5185751272 is about 1730.8943521869.

The spelling of 5185751272 in words is "five billion, one hundred eighty-five million, seven hundred fifty-one thousand, two hundred seventy-two".