5173521 has 4 divisors (see below), whose sum is σ = 6898032. Its totient is φ = 3449012.

The previous prime is 5173499. The next prime is 5173537. The reversal of 5173521 is 1253715.

5173521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5173521 - 2¹¹ = 5171473 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5173491 and 5173500.

It is not an unprimeable number, because it can be changed into a prime (5173541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862251 + ... + 862256.

It is an arithmetic number, because the mean of its divisors is an integer number (1724508).

Almost surely, 2^5173521 is an apocalyptic number.

It is an amenable number.

5173521 is a deficient number, since it is larger than the sum of its proper divisors (1724511).

5173521 is a wasteful number, since it uses less digits than its factorization.

5173521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724510.

The product of its digits is 1050, while the sum is 24.

The square root of 5173521 is about 2274.5375354124. The cubic root of 5173521 is about 172.9532545470.

The spelling of 5173521 in words is "five million, one hundred seventy-three thousand, five hundred twenty-one".