973160813 has 2 divisors, whose sum is σ = 973160814. Its totient is φ = 973160812.

The previous prime is 973160779. The next prime is 973160831. The reversal of 973160813 is 318061379.

Together with next prime (973160831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639988804 + 333172009 = 25298^2 + 18253^2 .

It is an emirp because it is prime and its reverse (318061379) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973160813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973160893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486580406 + 486580407.

It is an arithmetic number, because the mean of its divisors is an integer number (486580407).

Almost surely, 2^973160813 is an apocalyptic number.

It is an amenable number.

973160813 is a deficient number, since it is larger than the sum of its proper divisors (1).

973160813 is an equidigital number, since it uses as much as digits as its factorization.

973160813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 973160813 is about 31195.5255285113. The cubic root of 973160813 is about 990.9723511358.

The spelling of 973160813 in words is "nine hundred seventy-three million, one hundred sixty thousand, eight hundred thirteen".