552521 has 8 divisors (see below), whose sum is σ = 576840. Its totient is φ = 528768.

The previous prime is 552511. The next prime is 552523. The reversal of 552521 is 125255.

It can be written as a sum of positive squares in 4 ways, for example, as 265225 + 287296 = 515^2 + 536^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552493 and 552502.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552521.

It is not an unprimeable number, because it can be changed into a prime (552523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (72105).

2⁵⁵²⁵²¹ is an apocalyptic number.

It is an amenable number.

552521 is a deficient number, since it is larger than the sum of its proper divisors (24319).

552521 is a wasteful number, since it uses less digits than its factorization.

552521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its digits is 500, while the sum is 20.

The square root of 552521 is about 743.3175633604. The cubic root of 552521 is about 82.0571186411.

Adding to 552521 its reverse (125255), we get a palindrome (677776).

The spelling of 552521 in words is "five hundred fifty-two thousand, five hundred twenty-one".