524387 has 2 divisors, whose sum is σ = 524388. Its totient is φ = 524386.

The previous prime is 524369. The next prime is 524389. The reversal of 524387 is 783425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 524387 - 2¹² = 520291 is a prime.

Together with 524389, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5² + 2¹⁸ + 3 + 4⁹ + 8² + 7 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524387.

It is not a weakly prime, because it can be changed into another prime (524389) 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, 262193 + 262194.

It is an arithmetic number, because the mean of its divisors is an integer number (262194).

2⁵²⁴³⁸⁷ is an apocalyptic number.

524387 is a deficient number, since it is larger than the sum of its proper divisors (1).

524387 is an equidigital number, since it uses as much as digits as its factorization.

524387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 524387 is about 724.1457035708. The cubic root of 524387 is about 80.6400222394.

The spelling of 524387 in words is "five hundred twenty-four thousand, three hundred eighty-seven".