572521 has 2 divisors, whose sum is σ = 572522. Its totient is φ = 572520.

The previous prime is 572519. The next prime is 572549. The reversal of 572521 is 125275.

572521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360000 + 212521 = 600^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 572521 - 2¹ = 572519 is a prime.

Together with 572519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 572492 and 572501.

It is not a weakly prime, because it can be changed into another prime (572581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286260 + 286261.

It is an arithmetic number, because the mean of its divisors is an integer number (286261).

2⁵⁷²⁵²¹ is an apocalyptic number.

It is an amenable number.

572521 is a deficient number, since it is larger than the sum of its proper divisors (1).

572521 is an equidigital number, since it uses as much as digits as its factorization.

572521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 22.

The square root of 572521 is about 756.6511745844. The cubic root of 572521 is about 83.0355003700.

Adding to 572521 its reverse (125275), we get a palindrome (697796).

The spelling of 572521 in words is "five hundred seventy-two thousand, five hundred twenty-one".