797513 has 4 divisors (see below), whose sum is σ = 799428. Its totient is φ = 795600.

The previous prime is 797509. The next prime is 797539. The reversal of 797513 is 315797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1849 + 795664 = 43^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 797513 - 2² = 797509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 797513.

It is not an unprimeable number, because it can be changed into a prime (797593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (199857).

2⁷⁹⁷⁵¹³ is an apocalyptic number.

It is an amenable number.

797513 is a deficient number, since it is larger than the sum of its proper divisors (1915).

797513 is a wasteful number, since it uses less digits than its factorization.

797513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 6615, while the sum is 32.

The square root of 797513 is about 893.0358335476. The cubic root of 797513 is about 92.7354798871.

The spelling of 797513 in words is "seven hundred ninety-seven thousand, five hundred thirteen".