524385 has 24 divisors (see below), whose sum is σ = 933504. Its totient is φ = 272160.

The previous prime is 524369. The next prime is 524387. The reversal of 524385 is 583425.

It is not a de Polignac number, because 524385 - 2⁴ = 524369 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹⁸ + 3 + 4⁹ + 8² + 5² .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524385.

It is not an unprimeable number, because it can be changed into a prime (524387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1800 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (38896).

2⁵²⁴³⁸⁵ is an apocalyptic number.

It is an amenable number.

524385 is a deficient number, since it is larger than the sum of its proper divisors (409119).

524385 is a wasteful number, since it uses less digits than its factorization.

524385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 322 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 524385 is about 724.1443226319. The cubic root of 524385 is about 80.6399197195.

It can be divided in two parts, 524 and 385, that added together give a palindrome (909).

The spelling of 524385 in words is "five hundred twenty-four thousand, three hundred eighty-five".