320530053 has 8 divisors (see below), whose sum is σ = 452513088. Its totient is φ = 201116864.

The previous prime is 320530043. The next prime is 320530081. The reversal of 320530053 is 350035023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320530053 - 2¹⁰ = 320529029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320530003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3142401 + ... + 3142502.

It is an arithmetic number, because the mean of its divisors is an integer number (56564136).

Almost surely, 2^320530053 is an apocalyptic number.

It is an amenable number.

320530053 is a deficient number, since it is larger than the sum of its proper divisors (131983035).

320530053 is a wasteful number, since it uses less digits than its factorization.

320530053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284923.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 320530053 is about 17903.3531216920. The cubic root of 320530053 is about 684.3678277933.

Adding to 320530053 its reverse (350035023), we get a palindrome (670565076).

The spelling of 320530053 in words is "three hundred twenty million, five hundred thirty thousand, fifty-three".