963260561 has 2 divisors, whose sum is σ = 963260562. Its totient is φ = 963260560.

The previous prime is 963260527. The next prime is 963260603. The reversal of 963260561 is 165062369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603930625 + 359329936 = 24575^2 + 18956^2 .

It is a cyclic number.

It is not a de Polignac number, because 963260561 - 2⁶ = 963260497 is a prime.

It is not a weakly prime, because it can be changed into another prime (963260521) 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, 481630280 + 481630281.

It is an arithmetic number, because the mean of its divisors is an integer number (481630281).

Almost surely, 2^963260561 is an apocalyptic number.

It is an amenable number.

963260561 is a deficient number, since it is larger than the sum of its proper divisors (1).

963260561 is an equidigital number, since it uses as much as digits as its factorization.

963260561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 963260561 is about 31036.4392448618. The cubic root of 963260561 is about 987.6004058779.

The spelling of 963260561 in words is "nine hundred sixty-three million, two hundred sixty thousand, five hundred sixty-one".