562521 has 4 divisors (see below), whose sum is σ = 750032. Its totient is φ = 375012.

The previous prime is 562519. The next prime is 562537. The reversal of 562521 is 125265.

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 not a de Polignac number, because 562521 - 2¹ = 562519 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 562521.

It is not an unprimeable number, because it can be changed into a prime (562501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93751 + ... + 93756.

It is an arithmetic number, because the mean of its divisors is an integer number (187508).

2⁵⁶²⁵²¹ is an apocalyptic number.

It is an amenable number.

562521 is a deficient number, since it is larger than the sum of its proper divisors (187511).

562521 is a wasteful number, since it uses less digits than its factorization.

562521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187510.

The product of its digits is 600, while the sum is 21.

The square root of 562521 is about 750.0139998693. The cubic root of 562521 is about 82.5492084758.

Subtracting from 562521 its sum of digits (21), we obtain a square (562500 = 750²).

Adding to 562521 its reverse (125265), we get a palindrome (687786).

It can be divided in two parts, 5 and 62521, that added together give a palindrome (62526).

The spelling of 562521 in words is "five hundred sixty-two thousand, five hundred twenty-one".