663002971 has 2 divisors, whose sum is σ = 663002972. Its totient is φ = 663002970.

The previous prime is 663002911. The next prime is 663002981. The reversal of 663002971 is 179200366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663002971 - 2¹³ = 662994779 is a prime.

It is not a weakly prime, because it can be changed into another prime (663002911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331501485 + 331501486.

It is an arithmetic number, because the mean of its divisors is an integer number (331501486).

Almost surely, 2^663002971 is an apocalyptic number.

663002971 is a deficient number, since it is larger than the sum of its proper divisors (1).

663002971 is an equidigital number, since it uses as much as digits as its factorization.

663002971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 663002971 is about 25748.8440711423. The cubic root of 663002971 is about 871.9772578272.

The spelling of 663002971 in words is "six hundred sixty-three million, two thousand, nine hundred seventy-one".