320553201 has 16 divisors (see below), whose sum is σ = 434903040. Its totient is φ = 209985360.

The previous prime is 320553193. The next prime is 320553209. The reversal of 320553201 is 102355023.

It is an interprime number because it is at equal distance from previous prime (320553193) and next prime (320553209).

It is not a de Polignac number, because 320553201 - 2³ = 320553193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320553209) 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 15 ways as a sum of consecutive naturals, for example, 36520 + ... + 44438.

It is an arithmetic number, because the mean of its divisors is an integer number (27181440).

Almost surely, 2^320553201 is an apocalyptic number.

It is an amenable number.

320553201 is a deficient number, since it is larger than the sum of its proper divisors (114349839).

320553201 is a wasteful number, since it uses less digits than its factorization.

320553201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 320553201 is about 17903.9995810992. Note that the first 3 decimals coincide. The cubic root of 320553201 is about 684.3843019273.

The spelling of 320553201 in words is "three hundred twenty million, five hundred fifty-three thousand, two hundred one".