63082191 has 4 divisors (see below), whose sum is σ = 84109592. Its totient is φ = 42054792.

The previous prime is 63082181. The next prime is 63082193. The reversal of 63082191 is 19128036.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63082191 - 2¹⁰ = 63081167 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 (63082193) 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, 10513696 + ... + 10513701.

It is an arithmetic number, because the mean of its divisors is an integer number (21027398).

Almost surely, 2^63082191 is an apocalyptic number.

63082191 is a deficient number, since it is larger than the sum of its proper divisors (21027401).

63082191 is a wasteful number, since it uses less digits than its factorization.

63082191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21027400.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 63082191 is about 7942.4297919465. The cubic root of 63082191 is about 398.0786840552.

The spelling of 63082191 in words is "sixty-three million, eighty-two thousand, one hundred ninety-one".