533745 has 24 divisors (see below), whose sum is σ = 959400. Its totient is φ = 274176.

The previous prime is 533737. The next prime is 533747. The reversal of 533745 is 547335.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 374544 = 399^2 + 612^2 .

It is not a de Polignac number, because 533745 - 2³ = 533737 is a prime.

It is a Curzon number.

533745 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 533745.

It is not an unprimeable number, because it can be changed into a prime (533747) 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, 1101 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (39975).

2⁵³³⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

533745 is a deficient number, since it is larger than the sum of its proper divisors (425655).

533745 is a wasteful number, since it uses less digits than its factorization.

533745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its digits is 6300, while the sum is 27.

The square root of 533745 is about 730.5785378726. The cubic root of 533745 is about 81.1168865733.

Adding to 533745 its product of digits (6300), we get a palindrome (540045).

The spelling of 533745 in words is "five hundred thirty-three thousand, seven hundred forty-five".