321050401 has 8 divisors (see below), whose sum is σ = 374403200. Its totient is φ = 275185764.

The previous prime is 321050393. The next prime is 321050407. The reversal of 321050401 is 104050123.

It is not a de Polignac number, because 321050401 - 2³ = 321050393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321050407) 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, 467661 + ... + 468346.

It is an arithmetic number, because the mean of its divisors is an integer number (46800400).

Almost surely, 2^321050401 is an apocalyptic number.

It is an amenable number.

321050401 is a deficient number, since it is larger than the sum of its proper divisors (53352799).

321050401 is an frugal number, since it uses more digits than its factorization.

321050401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936028 (or 936014 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 321050401 is about 17917.8793667108. The cubic root of 321050401 is about 684.7379614706.

The spelling of 321050401 in words is "three hundred twenty-one million, fifty thousand, four hundred one".