82631443 has 2 divisors, whose sum is σ = 82631444. Its totient is φ = 82631442.

The previous prime is 82631431. The next prime is 82631449. The reversal of 82631443 is 34413628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82631443 - 2¹³ = 82623251 is a prime.

It is not a weakly prime, because it can be changed into another prime (82631449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41315721 + 41315722.

It is an arithmetic number, because the mean of its divisors is an integer number (41315722).

Almost surely, 2^82631443 is an apocalyptic number.

82631443 is a deficient number, since it is larger than the sum of its proper divisors (1).

82631443 is an equidigital number, since it uses as much as digits as its factorization.

82631443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 82631443 is about 9090.1838815285. The cubic root of 82631443 is about 435.5604578438.

The spelling of 82631443 in words is "eighty-two million, six hundred thirty-one thousand, four hundred forty-three".