533445 has 32 divisors (see below), whose sum is σ = 964224. Its totient is φ = 249600.

The previous prime is 533413. The next prime is 533447. The reversal of 533445 is 544335.

It is a happy number.

It is not a de Polignac number, because 533445 - 2⁵ = 533413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8715 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (30132).

2⁵³³⁴⁴⁵ is an apocalyptic number.

533445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

533445 is a deficient number, since it is larger than the sum of its proper divisors (430779).

533445 is a wasteful number, since it uses less digits than its factorization.

533445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its digits is 3600, while the sum is 24.

The square root of 533445 is about 730.3731922791. The cubic root of 533445 is about 81.1016860395.

The spelling of 533445 in words is "five hundred thirty-three thousand, four hundred forty-five".