5272521 has 8 divisors (see below), whose sum is σ = 7071360. Its totient is φ = 3494352.

The previous prime is 5272517. The next prime is 5272541. The reversal of 5272521 is 1252725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5272521 - 2² = 5272517 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

5272521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5272491 and 5272500.

It is not an unprimeable number, because it can be changed into a prime (5272541) 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 7 ways as a sum of consecutive naturals, for example, 4561 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (883920).

Almost surely, 2^5272521 is an apocalyptic number.

It is an amenable number.

5272521 is a deficient number, since it is larger than the sum of its proper divisors (1798839).

5272521 is a wasteful number, since it uses less digits than its factorization.

5272521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335.

The product of its digits is 1400, while the sum is 24.

The square root of 5272521 is about 2296.1970734238. The cubic root of 5272521 is about 174.0494970824.

The spelling of 5272521 in words is "five million, two hundred seventy-two thousand, five hundred twenty-one".