321264017 has 2 divisors, whose sum is σ = 321264018. Its totient is φ = 321264016.

The previous prime is 321263963. The next prime is 321264029. The reversal of 321264017 is 710462123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235960321 + 85303696 = 15361^2 + 9236^2 .

It is a cyclic number.

It is not a de Polignac number, because 321264017 - 2¹² = 321259921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (321264917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160632008 + 160632009.

It is an arithmetic number, because the mean of its divisors is an integer number (160632009).

Almost surely, 2^321264017 is an apocalyptic number.

It is an amenable number.

321264017 is a deficient number, since it is larger than the sum of its proper divisors (1).

321264017 is an equidigital number, since it uses as much as digits as its factorization.

321264017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 321264017 is about 17923.8393487556. The cubic root of 321264017 is about 684.8897949051.

The spelling of 321264017 in words is "three hundred twenty-one million, two hundred sixty-four thousand, seventeen".