321325063 has 2 divisors, whose sum is σ = 321325064. Its totient is φ = 321325062.

The previous prime is 321325031. The next prime is 321325079. The reversal of 321325063 is 360523123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321325063 - 2⁵ = 321325031 is a prime.

It is a super-2 number, since 2×321325063² = 206499592223907938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321325163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160662531 + 160662532.

It is an arithmetic number, because the mean of its divisors is an integer number (160662532).

Almost surely, 2^321325063 is an apocalyptic number.

321325063 is a deficient number, since it is larger than the sum of its proper divisors (1).

321325063 is an equidigital number, since it uses as much as digits as its factorization.

321325063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 321325063 is about 17925.5421954261. The cubic root of 321325063 is about 684.9331726591.

Adding to 321325063 its reverse (360523123), we get a palindrome (681848186).

The spelling of 321325063 in words is "three hundred twenty-one million, three hundred twenty-five thousand, sixty-three".