971633627 has 2 divisors, whose sum is σ = 971633628. Its totient is φ = 971633626.

The previous prime is 971633599. The next prime is 971633669. The reversal of 971633627 is 726336179.

It is a weak prime.

It is an emirp because it is prime and its reverse (726336179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971633627 - 2⁶ = 971633563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (971633687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485816813 + 485816814.

It is an arithmetic number, because the mean of its divisors is an integer number (485816814).

Almost surely, 2^971633627 is an apocalyptic number.

971633627 is a deficient number, since it is larger than the sum of its proper divisors (1).

971633627 is an equidigital number, since it uses as much as digits as its factorization.

971633627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 971633627 is about 31171.0382727300. The cubic root of 971633627 is about 990.4537004896.

The spelling of 971633627 in words is "nine hundred seventy-one million, six hundred thirty-three thousand, six hundred twenty-seven".