2813522197 has 4 divisors (see below), whose sum is σ = 2817642240. Its totient is φ = 2809402156.

The previous prime is 2813522161. The next prime is 2813522209. The reversal of 2813522197 is 7912253182.

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.

It is a cyclic number.

It is not a de Polignac number, because 2813522197 - 2²³ = 2805133589 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 (2813522597) 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, 2058997 + ... + 2060362.

It is an arithmetic number, because the mean of its divisors is an integer number (704410560).

Almost surely, 2^2813522197 is an apocalyptic number.

It is an amenable number.

2813522197 is a deficient number, since it is larger than the sum of its proper divisors (4120043).

2813522197 is an equidigital number, since it uses as much as digits as its factorization.

2813522197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120042.

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

The square root of 2813522197 is about 53042.6450792190. The cubic root of 2813522197 is about 1411.7250313558.

The spelling of 2813522197 in words is "two billion, eight hundred thirteen million, five hundred twenty-two thousand, one hundred ninety-seven".