971375963 has 2 divisors, whose sum is σ = 971375964. Its totient is φ = 971375962.

The previous prime is 971375957. The next prime is 971375987. The reversal of 971375963 is 369573179.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971375963 is a prime.

It is a super-2 number, since 2×971375963² = 1887142522988354738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (971375953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485687981 + 485687982.

It is an arithmetic number, because the mean of its divisors is an integer number (485687982).

Almost surely, 2^971375963 is an apocalyptic number.

971375963 is a deficient number, since it is larger than the sum of its proper divisors (1).

971375963 is an equidigital number, since it uses as much as digits as its factorization.

971375963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 50.

The square root of 971375963 is about 31166.9049313531. The cubic root of 971375963 is about 990.3661411403.

The spelling of 971375963 in words is "nine hundred seventy-one million, three hundred seventy-five thousand, nine hundred sixty-three".