663061283 has 2 divisors, whose sum is σ = 663061284. Its totient is φ = 663061282.

The previous prime is 663061237. The next prime is 663061327. The reversal of 663061283 is 382160366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663061283 - 2¹⁰ = 663060259 is a prime.

It is not a weakly prime, because it can be changed into another prime (663061213) 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, 331530641 + 331530642.

It is an arithmetic number, because the mean of its divisors is an integer number (331530642).

Almost surely, 2^663061283 is an apocalyptic number.

663061283 is a deficient number, since it is larger than the sum of its proper divisors (1).

663061283 is an equidigital number, since it uses as much as digits as its factorization.

663061283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 663061283 is about 25749.9763689212. The cubic root of 663061283 is about 872.0028209340.

The spelling of 663061283 in words is "six hundred sixty-three million, sixty-one thousand, two hundred eighty-three".