321050001 has 16 divisors (see below), whose sum is σ = 436026240. Its totient is φ = 210080640.

The previous prime is 321049987. The next prime is 321050003. The reversal of 321050001 is 100050123.

It is not a de Polignac number, because 321050001 - 2⁷ = 321049873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321050003) 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, 46395 + ... + 52863.

It is an arithmetic number, because the mean of its divisors is an integer number (27251640).

Almost surely, 2^321050001 is an apocalyptic number.

It is an amenable number.

321050001 is a deficient number, since it is larger than the sum of its proper divisors (114976239).

321050001 is a wasteful number, since it uses less digits than its factorization.

321050001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 321050001 is about 17917.8682046721. The cubic root of 321050001 is about 684.7376770964.

The spelling of 321050001 in words is "three hundred twenty-one million, fifty thousand, one".