82053197 has 4 divisors (see below), whose sum is σ = 82090176. Its totient is φ = 82016220.

The previous prime is 82053193. The next prime is 82053239. The reversal of 82053197 is 79135028.

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 82053197 - 2² = 82053193 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 (82053193) 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, 14933 + ... + 19674.

It is an arithmetic number, because the mean of its divisors is an integer number (20522544).

Almost surely, 2^82053197 is an apocalyptic number.

It is an amenable number.

82053197 is a deficient number, since it is larger than the sum of its proper divisors (36979).

82053197 is a wasteful number, since it uses less digits than its factorization.

82053197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36978.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 82053197 is about 9058.3219748472. The cubic root of 82053197 is about 434.5420767971.

The spelling of 82053197 in words is "eighty-two million, fifty-three thousand, one hundred ninety-seven".