524681 has 2 divisors, whose sum is σ = 524682. Its totient is φ = 524680.

The previous prime is 524669. The next prime is 524683. The reversal of 524681 is 186425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 13456 = 715^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 524681 - 2¹⁰ = 523657 is a prime.

It is a super-3 number, since 3×524681³ = 433318536348339723, which contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 524683, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 524681.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524681.

It is not a weakly prime, because it can be changed into another prime (524683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262340 + 262341.

It is an arithmetic number, because the mean of its divisors is an integer number (262341).

2⁵²⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

524681 is a deficient number, since it is larger than the sum of its proper divisors (1).

524681 is an equidigital number, since it uses as much as digits as its factorization.

524681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 524681 is about 724.3486729469. The cubic root of 524681 is about 80.6550898245.

The spelling of 524681 in words is "five hundred twenty-four thousand, six hundred eighty-one".