320521241 has 8 divisors (see below), whose sum is σ = 337622400. Its totient is φ = 303443280.

The previous prime is 320521219. The next prime is 320521277. The reversal of 320521241 is 142125023.

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 320521241 - 2¹⁰ = 320520217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320521211) 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, 27536 + ... + 37406.

It is an arithmetic number, because the mean of its divisors is an integer number (42202800).

Almost surely, 2^320521241 is an apocalyptic number.

It is an amenable number.

320521241 is a deficient number, since it is larger than the sum of its proper divisors (17101159).

320521241 is a wasteful number, since it uses less digits than its factorization.

320521241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 320521241 is about 17903.1070208498. The cubic root of 320521241 is about 684.3615561978.

Adding to 320521241 its reverse (142125023), we get a palindrome (462646264).

The spelling of 320521241 in words is "three hundred twenty million, five hundred twenty-one thousand, two hundred forty-one".