971279093 has 2 divisors, whose sum is σ = 971279094. Its totient is φ = 971279092.

The previous prime is 971279081. The next prime is 971279143. The reversal of 971279093 is 390972179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971070244 + 208849 = 31162^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 971279093 - 2⁸ = 971278837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971279293) 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, 485639546 + 485639547.

It is an arithmetic number, because the mean of its divisors is an integer number (485639547).

Almost surely, 2^971279093 is an apocalyptic number.

It is an amenable number.

971279093 is a deficient number, since it is larger than the sum of its proper divisors (1).

971279093 is an equidigital number, since it uses as much as digits as its factorization.

971279093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 971279093 is about 31165.3508403162. The cubic root of 971279093 is about 990.3332187837. Note that the first 3 decimals are identical.

The spelling of 971279093 in words is "nine hundred seventy-one million, two hundred seventy-nine thousand, ninety-three".