634026533 has 12 divisors (see below), whose sum is σ = 769609440. Its totient is φ = 519822072.

The previous prime is 634026457. The next prime is 634026541. The reversal of 634026533 is 335620436.

634026533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634026533 - 2²⁴ = 617249317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 634026533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634026553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280163 + ... + 282416.

It is an arithmetic number, because the mean of its divisors is an integer number (64134120).

Almost surely, 2^634026533 is an apocalyptic number.

It is an amenable number.

634026533 is a deficient number, since it is larger than the sum of its proper divisors (135582907).

634026533 is a wasteful number, since it uses less digits than its factorization.

634026533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562616 (or 562609 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 634026533 is about 25179.8834985391. The cubic root of 634026533 is about 859.0843567194.

Adding to 634026533 its reverse (335620436), we get a palindrome (969646969).

The spelling of 634026533 in words is "six hundred thirty-four million, twenty-six thousand, five hundred thirty-three".