797203133 has 4 divisors (see below), whose sum is σ = 805421820. Its totient is φ = 788984448.

The previous prime is 797203129. The next prime is 797203181. The reversal of 797203133 is 331302797.

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 404291449 + 392911684 = 20107^2 + 19822^2 .

It is a cyclic number.

It is not a de Polignac number, because 797203133 - 2² = 797203129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 797203093 and 797203102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797203333) 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 in 3 ways as a sum of consecutive naturals, for example, 4109198 + ... + 4109391.

It is an arithmetic number, because the mean of its divisors is an integer number (201355455).

Almost surely, 2^797203133 is an apocalyptic number.

It is an amenable number.

797203133 is a deficient number, since it is larger than the sum of its proper divisors (8218687).

797203133 is an equidigital number, since it uses as much as digits as its factorization.

797203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218686.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 797203133 is about 28234.7858677908. The cubic root of 797203133 is about 927.2346779976.

The spelling of 797203133 in words is "seven hundred ninety-seven million, two hundred three thousand, one hundred thirty-three".