533642 has 4 divisors (see below), whose sum is σ = 800466. Its totient is φ = 266820.

The previous prime is 533641. The next prime is 533671. The reversal of 533642 is 246335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 96721 = 661^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (533641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133409 + ... + 133412.

2⁵³³⁶⁴² is an apocalyptic number.

533642 is a deficient number, since it is larger than the sum of its proper divisors (266824).

533642 is a wasteful number, since it uses less digits than its factorization.

533642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266823.

The product of its digits is 2160, while the sum is 23.

The square root of 533642 is about 730.5080423924. The cubic root of 533642 is about 81.1116683656. Note that the first 3 decimals are identical.

Adding to 533642 its reverse (246335), we get a palindrome (779977).

The spelling of 533642 in words is "five hundred thirty-three thousand, six hundred forty-two".