82252191 has 16 divisors (see below), whose sum is σ = 128395008. Its totient is φ = 45854400.

The previous prime is 82252189. The next prime is 82252199. The reversal of 82252191 is 19125228.

It is not a de Polignac number, because 82252191 - 2¹ = 82252189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82252199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46905 + ... + 48626.

It is an arithmetic number, because the mean of its divisors is an integer number (8024688).

Almost surely, 2^82252191 is an apocalyptic number.

82252191 is a deficient number, since it is larger than the sum of its proper divisors (46142817).

82252191 is a wasteful number, since it uses less digits than its factorization.

82252191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95582.

The product of its digits is 2880, while the sum is 30.

The square root of 82252191 is about 9069.2993665443. The cubic root of 82252191 is about 434.8930745252.

The spelling of 82252191 in words is "eighty-two million, two hundred fifty-two thousand, one hundred ninety-one".