971563063 has 2 divisors, whose sum is σ = 971563064. Its totient is φ = 971563062.

The previous prime is 971563049. The next prime is 971563069. The reversal of 971563063 is 360365179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971563063 - 2⁹ = 971562551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971563069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485781531 + 485781532.

It is an arithmetic number, because the mean of its divisors is an integer number (485781532).

Almost surely, 2^971563063 is an apocalyptic number.

971563063 is a deficient number, since it is larger than the sum of its proper divisors (1).

971563063 is an equidigital number, since it uses as much as digits as its factorization.

971563063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 971563063 is about 31169.9063681622. The cubic root of 971563063 is about 990.4297229789.

The spelling of 971563063 in words is "nine hundred seventy-one million, five hundred sixty-three thousand, sixty-three".