963260321 has 2 divisors, whose sum is σ = 963260322. Its totient is φ = 963260320.

The previous prime is 963260299. The next prime is 963260323. The reversal of 963260321 is 123062369.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636048400 + 327211921 = 25220^2 + 18089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-963260321 is a prime.

Together with 963260323, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_49073117 and since 963260321 and 49073117 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (963260323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481630160 + 481630161.

It is an arithmetic number, because the mean of its divisors is an integer number (481630161).

Almost surely, 2^963260321 is an apocalyptic number.

It is an amenable number.

963260321 is a deficient number, since it is larger than the sum of its proper divisors (1).

963260321 is an equidigital number, since it uses as much as digits as its factorization.

963260321 is an evil number, because the sum of its binary digits is even.

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

The square root of 963260321 is about 31036.4353784387. The cubic root of 963260321 is about 987.6003238564.

The spelling of 963260321 in words is "nine hundred sixty-three million, two hundred sixty thousand, three hundred twenty-one".