653321332 has 12 divisors (see below), whose sum is σ = 1143963940. Its totient is φ = 326474496.

The previous prime is 653321329. The next prime is 653321341. The reversal of 653321332 is 233123356.

653321332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 496220176 + 157101156 = 22276^2 + 12534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 653321332.

It is a congruent number.

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, 38493 + ... + 52804.

Almost surely, 2^653321332 is an apocalyptic number.

It is an amenable number.

653321332 is a deficient number, since it is larger than the sum of its proper divisors (490642608).

653321332 is a wasteful number, since it uses less digits than its factorization.

653321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93090 (or 93088 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 653321332 is about 25560.1512515087. The cubic root of 653321332 is about 867.7120187596.

Adding to 653321332 its reverse (233123356), we get a palindrome (886444688).

The spelling of 653321332 in words is "six hundred fifty-three million, three hundred twenty-one thousand, three hundred thirty-two".