653306032 has 40 divisors (see below), whose sum is σ = 1336315760. Its totient is φ = 309408768.

The previous prime is 653306021. The next prime is 653306033. The reversal of 653306032 is 230603356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653306033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106768 + ... + 112720.

It is an arithmetic number, because the mean of its divisors is an integer number (33407894).

Almost surely, 2^653306032 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 653306032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668157880).

653306032 is an abundant number, since it is smaller than the sum of its proper divisors (683009728).

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

653306032 is an equidigital number, since it uses as much as digits as its factorization.

653306032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018 (or 5974 counting only the distinct ones).

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

The square root of 653306032 is about 25559.8519557528. The cubic root of 653306032 is about 867.7052451160.

Adding to 653306032 its reverse (230603356), we get a palindrome (883909388).

The spelling of 653306032 in words is "six hundred fifty-three million, three hundred six thousand, thirty-two".