797535653 has 2 divisors, whose sum is σ = 797535654. Its totient is φ = 797535652.

The previous prime is 797535647. The next prime is 797535677. The reversal of 797535653 is 356535797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542750209 + 254785444 = 23297^2 + 15962^2 .

It is a cyclic number.

It is not a de Polignac number, because 797535653 - 2⁸ = 797535397 is a prime.

It is a super-2 number, since 2×797535653² = 1272126235612272818, which contains 22 as substring.

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 (797535953) 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, 398767826 + 398767827.

It is an arithmetic number, because the mean of its divisors is an integer number (398767827).

Almost surely, 2^797535653 is an apocalyptic number.

It is an amenable number.

797535653 is a deficient number, since it is larger than the sum of its proper divisors (1).

797535653 is an equidigital number, since it uses as much as digits as its factorization.

797535653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2976750, while the sum is 50.

The square root of 797535653 is about 28240.6737348810. The cubic root of 797535653 is about 927.3635791539.

The spelling of 797535653 in words is "seven hundred ninety-seven million, five hundred thirty-five thousand, six hundred fifty-three".