634533 has 8 divisors (see below), whose sum is σ = 850368. Its totient is φ = 420864.

The previous prime is 634531. The next prime is 634541. The reversal of 634533 is 335436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634533 - 2¹ = 634531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (106296).

2⁶³⁴⁵³³ is an apocalyptic number.

It is an amenable number.

634533 is a deficient number, since it is larger than the sum of its proper divisors (215835).

634533 is a wasteful number, since it uses less digits than its factorization.

634533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 3240, while the sum is 24.

The square root of 634533 is about 796.5757967702. The cubic root of 634533 is about 85.9313044349.

Adding to 634533 its reverse (335436), we get a palindrome (969969).

The spelling of 634533 in words is "six hundred thirty-four thousand, five hundred thirty-three".