533631402 has 48 divisors (see below), whose sum is σ = 1213561440. Its totient is φ = 175720752.

The previous prime is 533631383. The next prime is 533631403. The reversal of 533631402 is 204136335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (533631403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33724 + ... + 46952.

It is an arithmetic number, because the mean of its divisors is an integer number (25282530).

Almost surely, 2^533631402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533631402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606780720).

533631402 is an abundant number, since it is smaller than the sum of its proper divisors (679930038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533631402 is a wasteful number, since it uses less digits than its factorization.

533631402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13329 (or 13317 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 533631402 is about 23100.4632421084. The cubic root of 533631402 is about 811.1113140940. Note that the first 3 decimals are identical.

Adding to 533631402 its reverse (204136335), we get a palindrome (737767737).

The spelling of 533631402 in words is "five hundred thirty-three million, six hundred thirty-one thousand, four hundred two".