633631652 has 12 divisors (see below), whose sum is σ = 1112979420. Its totient is φ = 315637536.

The previous prime is 633631631. The next prime is 633631709. The reversal of 633631652 is 256136336.

It can be written as a sum of positive squares in 2 ways, for example, as 14318656 + 619312996 = 3784^2 + 24886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293363 + ... + 295514.

It is an arithmetic number, because the mean of its divisors is an integer number (92748285).

Almost surely, 2^633631652 is an apocalyptic number.

It is an amenable number.

633631652 is a deficient number, since it is larger than the sum of its proper divisors (479347768).

633631652 is a wasteful number, since it uses less digits than its factorization.

633631652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589150 (or 589148 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

The square root of 633631652 is about 25172.0410773541. The cubic root of 633631652 is about 858.9059695785.

Adding to 633631652 its reverse (256136336), we get a palindrome (889767988).

The spelling of 633631652 in words is "six hundred thirty-three million, six hundred thirty-one thousand, six hundred fifty-two".