82152443 has 2 divisors, whose sum is σ = 82152444. Its totient is φ = 82152442.

The previous prime is 82152439. The next prime is 82152451. The reversal of 82152443 is 34425128.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82152443 - 2² = 82152439 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82152463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41076221 + 41076222.

It is an arithmetic number, because the mean of its divisors is an integer number (41076222).

Almost surely, 2^82152443 is an apocalyptic number.

82152443 is a deficient number, since it is larger than the sum of its proper divisors (1).

82152443 is an equidigital number, since it uses as much as digits as its factorization.

82152443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 82152443 is about 9063.7984862860. The cubic root of 82152443 is about 434.7172037820.

The spelling of 82152443 in words is "eighty-two million, one hundred fifty-two thousand, four hundred forty-three".