321260963 has 2 divisors, whose sum is σ = 321260964. Its totient is φ = 321260962.

The previous prime is 321260957. The next prime is 321260969. The reversal of 321260963 is 369062123.

It is a balanced prime because it is at equal distance from previous prime (321260957) and next prime (321260969).

It is a cyclic number.

It is not a de Polignac number, because 321260963 - 2²⁴ = 304483747 is a prime.

It is not a weakly prime, because it can be changed into another prime (321260969) 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 as a sum of consecutive naturals, namely, 160630481 + 160630482.

It is an arithmetic number, because the mean of its divisors is an integer number (160630482).

Almost surely, 2^321260963 is an apocalyptic number.

321260963 is a deficient number, since it is larger than the sum of its proper divisors (1).

321260963 is an equidigital number, since it uses as much as digits as its factorization.

321260963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 321260963 is about 17923.7541547523. The cubic root of 321260963 is about 684.8876246651.

It can be divided in two parts, 321260 and 963, that added together give a palindrome (322223).

The spelling of 321260963 in words is "three hundred twenty-one million, two hundred sixty thousand, nine hundred sixty-three".