82049197 has 4 divisors (see below), whose sum is σ = 82083456. Its totient is φ = 82014940.

The previous prime is 82049179. The next prime is 82049213. The reversal of 82049197 is 79194028.

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 82049197 - 2¹⁹ = 81524909 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82049137) 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, 13243 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (20520864).

Almost surely, 2^82049197 is an apocalyptic number.

It is an amenable number.

82049197 is a deficient number, since it is larger than the sum of its proper divisors (34259).

82049197 is a wasteful number, since it uses less digits than its factorization.

82049197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34258.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 82049197 is about 9058.1011807111. The cubic root of 82049197 is about 434.5350155384.

The spelling of 82049197 in words is "eighty-two million, forty-nine thousand, one hundred ninety-seven".