8513797 has 2 divisors, whose sum is σ = 8513798. Its totient is φ = 8513796.

The previous prime is 8513783. The next prime is 8513801. The reversal of 8513797 is 7973158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7650756 + 863041 = 2766^2 + 929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8513797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8513497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256898 + 4256899.

It is an arithmetic number, because the mean of its divisors is an integer number (4256899).

Almost surely, 2^8513797 is an apocalyptic number.

It is an amenable number.

8513797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513797 is an equidigital number, since it uses as much as digits as its factorization.

8513797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 8513797 is about 2917.8411540041. The cubic root of 8513797 is about 204.1931161809.

The spelling of 8513797 in words is "eight million, five hundred thirteen thousand, seven hundred ninety-seven".