5272531521 has 16 divisors (see below), whose sum is σ = 7835342400. Its totient is φ = 3134135808.

The previous prime is 5272531493. The next prime is 5272531529. The reversal of 5272531521 is 1251352725.

It is not a de Polignac number, because 5272531521 - 2⁹ = 5272531009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5272531529) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2719636 + ... + 2721573.

It is an arithmetic number, because the mean of its divisors is an integer number (489708900).

Almost surely, 2^5272531521 is an apocalyptic number.

5272531521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5272531521 is a deficient number, since it is larger than the sum of its proper divisors (2562810879).

5272531521 is a wasteful number, since it uses less digits than its factorization.

5272531521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441248.

The product of its digits is 21000, while the sum is 33.

The square root of 5272531521 is about 72612.1995328609. The cubic root of 5272531521 is about 1740.4961285076.

The spelling of 5272531521 in words is "five billion, two hundred seventy-two million, five hundred thirty-one thousand, five hundred twenty-one".