797734013 has 2 divisors, whose sum is σ = 797734014. Its totient is φ = 797734012.

The previous prime is 797733977. The next prime is 797734031. The reversal of 797734013 is 310437797.

It is a happy number.

Together with next prime (797734031) 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., 433763929 + 363970084 = 20827^2 + 19078^2 .

It is a cyclic number.

It is not a de Polignac number, because 797734013 - 2¹⁶ = 797668477 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 (797734213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398867006 + 398867007.

It is an arithmetic number, because the mean of its divisors is an integer number (398867007).

Almost surely, 2^797734013 is an apocalyptic number.

It is an amenable number.

797734013 is a deficient number, since it is larger than the sum of its proper divisors (1).

797734013 is an equidigital number, since it uses as much as digits as its factorization.

797734013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 797734013 is about 28244.1854724118. The cubic root of 797734013 is about 927.4404562148.

The spelling of 797734013 in words is "seven hundred ninety-seven million, seven hundred thirty-four thousand, thirteen".