320053501 has 2 divisors, whose sum is σ = 320053502. Its totient is φ = 320053500.

The previous prime is 320053493. The next prime is 320053507. The reversal of 320053501 is 105350023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234120601 + 85932900 = 15301^2 + 9270^2 .

It is a cyclic number.

It is not a de Polignac number, because 320053501 - 2³ = 320053493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320053507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160026750 + 160026751.

It is an arithmetic number, because the mean of its divisors is an integer number (160026751).

Almost surely, 2^320053501 is an apocalyptic number.

It is an amenable number.

320053501 is a deficient number, since it is larger than the sum of its proper divisors (1).

320053501 is an equidigital number, since it uses as much as digits as its factorization.

320053501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 320053501 is about 17890.0391559102. The cubic root of 320053501 is about 684.0284954728.

The spelling of 320053501 in words is "three hundred twenty million, fifty-three thousand, five hundred one".