653303532 has 96 divisors (see below), whose sum is σ = 1809561600. Its totient is φ = 179488512.

The previous prime is 653303513. The next prime is 653303537. The reversal of 653303532 is 235303356.

It is a self number, because there is not a number n which added to its sum of digits gives 653303532.

It is not an unprimeable number, because it can be changed into a prime (653303537) 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 31 ways as a sum of consecutive naturals, for example, 908269 + ... + 908987.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^653303532 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 653303532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904780800).

653303532 is an abundant number, since it is smaller than the sum of its proper divisors (1156258068).

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

653303532 is a wasteful number, since it uses less digits than its factorization.

653303532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 30.

The square root of 653303532 is about 25559.8030508844. The cubic root of 653303532 is about 867.7041383015.

Adding to 653303532 its reverse (235303356), we get a palindrome (888606888).

The spelling of 653303532 in words is "six hundred fifty-three million, three hundred three thousand, five hundred thirty-two".