82332251 has 2 divisors, whose sum is σ = 82332252. Its totient is φ = 82332250.

The previous prime is 82332233. The next prime is 82332253. The reversal of 82332251 is 15223328.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82332251 is a prime.

It is a Sophie Germain prime.

Together with 82332253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82332251.

It is not a weakly prime, because it can be changed into another prime (82332253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41166125 + 41166126.

It is an arithmetic number, because the mean of its divisors is an integer number (41166126).

Almost surely, 2^82332251 is an apocalyptic number.

82332251 is a deficient number, since it is larger than the sum of its proper divisors (1).

82332251 is an equidigital number, since it uses as much as digits as its factorization.

82332251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 82332251 is about 9073.7120849187. The cubic root of 82332251 is about 435.0341295281.

Adding to 82332251 its reverse (15223328), we get a palindrome (97555579).

The spelling of 82332251 in words is "eighty-two million, three hundred thirty-two thousand, two hundred fifty-one".