321364159 has 2 divisors, whose sum is σ = 321364160. Its totient is φ = 321364158.

The previous prime is 321364103. The next prime is 321364163. The reversal of 321364159 is 951463123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321364159 - 2²⁷ = 187146431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321364559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160682079 + 160682080.

It is an arithmetic number, because the mean of its divisors is an integer number (160682080).

Almost surely, 2^321364159 is an apocalyptic number.

321364159 is a deficient number, since it is larger than the sum of its proper divisors (1).

321364159 is an equidigital number, since it uses as much as digits as its factorization.

321364159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 321364159 is about 17926.6326732044. The cubic root of 321364159 is about 684.9609504086.

The spelling of 321364159 in words is "three hundred twenty-one million, three hundred sixty-four thousand, one hundred fifty-nine".