813452197 has 8 divisors (see below), whose sum is σ = 819315200. Its totient is φ = 807609744.

The previous prime is 813452153. The next prime is 813452243. The reversal of 813452197 is 791254318.

813452197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813452197 - 2¹⁹ = 812927909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813453197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79204 + ... + 88882.

It is an arithmetic number, because the mean of its divisors is an integer number (102414400).

Almost surely, 2^813452197 is an apocalyptic number.

It is an amenable number.

813452197 is a deficient number, since it is larger than the sum of its proper divisors (5863003).

813452197 is a wasteful number, since it uses less digits than its factorization.

813452197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275.

The product of its digits is 60480, while the sum is 40.

The square root of 813452197 is about 28521.0833770388. The cubic root of 813452197 is about 933.4921685319.

The spelling of 813452197 in words is "eight hundred thirteen million, four hundred fifty-two thousand, one hundred ninety-seven".