82298191 has 2 divisors, whose sum is σ = 82298192. Its totient is φ = 82298190.

The previous prime is 82298189. The next prime is 82298231. The reversal of 82298191 is 19189228.

It is an a-pointer prime, because the next prime (82298231) can be obtained adding 82298191 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82298191 - 2¹ = 82298189 is a prime.

Together with 82298189, it forms a pair of twin primes.

It is equal to p_4795708 and since 82298191 and 4795708 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82298141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41149095 + 41149096.

It is an arithmetic number, because the mean of its divisors is an integer number (41149096).

Almost surely, 2^82298191 is an apocalyptic number.

82298191 is a deficient number, since it is larger than the sum of its proper divisors (1).

82298191 is an equidigital number, since it uses as much as digits as its factorization.

82298191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 40.

The square root of 82298191 is about 9071.8350403874. The cubic root of 82298191 is about 434.9741315484.

The spelling of 82298191 in words is "eighty-two million, two hundred ninety-eight thousand, one hundred ninety-one".