82131463 has 2 divisors, whose sum is σ = 82131464. Its totient is φ = 82131462.

The previous prime is 82131461. The next prime is 82131499. The reversal of 82131463 is 36413128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82131463 - 2¹ = 82131461 is a prime.

Together with 82131461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82131461) 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, 41065731 + 41065732.

It is an arithmetic number, because the mean of its divisors is an integer number (41065732).

Almost surely, 2^82131463 is an apocalyptic number.

82131463 is a deficient number, since it is larger than the sum of its proper divisors (1).

82131463 is an equidigital number, since it uses as much as digits as its factorization.

82131463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 82131463 is about 9062.6410609711. The cubic root of 82131463 is about 434.6801947652.

The spelling of 82131463 in words is "eighty-two million, one hundred thirty-one thousand, four hundred sixty-three".