653230332 has 60 divisors (see below), whose sum is σ = 1715520576. Its totient is φ = 216743040.

The previous prime is 653230313. The next prime is 653230349. The reversal of 653230332 is 233032356.

653230332 is a `hidden beast` number, since 6 + 5 + 323 + 0 + 332 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 653230296 and 653230305.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 67732 + ... + 76772.

Almost surely, 2^653230332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653230332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857760288).

653230332 is an abundant number, since it is smaller than the sum of its proper divisors (1062290244).

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

653230332 is a wasteful number, since it uses less digits than its factorization.

653230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280 (or 9269 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

The square root of 653230332 is about 25558.3710748553. The cubic root of 653230332 is about 867.6717295195.

Adding to 653230332 its reverse (233032356), we get a palindrome (886262688).

It can be divided in two parts, 6532 and 30332, that added together give a square (36864 = 192²).

The spelling of 653230332 in words is "six hundred fifty-three million, two hundred thirty thousand, three hundred thirty-two".