797213 has 4 divisors (see below), whose sum is σ = 799008. Its totient is φ = 795420.

The previous prime is 797207. The next prime is 797273. The reversal of 797213 is 312797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 797213 - 2¹⁰ = 796189 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 9⁶ + 2¹⁷ + 7⁶ + 1 + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797273) 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, 320 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (199752).

2⁷⁹⁷²¹³ is an apocalyptic number.

It is an amenable number.

797213 is a deficient number, since it is larger than the sum of its proper divisors (1795).

797213 is an equidigital number, since it uses as much as digits as its factorization.

797213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its digits is 2646, while the sum is 29.

The square root of 797213 is about 892.8678513644. The cubic root of 797213 is about 92.7238503450.

Subtracting from 797213 its reverse (312797), we obtain a square (484416 = 696²).

The spelling of 797213 in words is "seven hundred ninety-seven thousand, two hundred thirteen".