320553652 has 24 divisors (see below), whose sum is σ = 564984000. Its totient is φ = 159134976.

The previous prime is 320553647. The next prime is 320553659. The reversal of 320553652 is 256355023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320553659) 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, 534849 + ... + 535447.

It is an arithmetic number, because the mean of its divisors is an integer number (23541000).

Almost surely, 2^320553652 is an apocalyptic number.

It is an amenable number.

320553652 is a deficient number, since it is larger than the sum of its proper divisors (244430348).

320553652 is a wasteful number, since it uses less digits than its factorization.

320553652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 320553652 is about 17904.0121760459. The cubic root of 320553652 is about 684.3846228903.

The spelling of 320553652 in words is "three hundred twenty million, five hundred fifty-three thousand, six hundred fifty-two".