83281463 has 2 divisors, whose sum is σ = 83281464. Its totient is φ = 83281462.

The previous prime is 83281447. The next prime is 83281481. The reversal of 83281463 is 36418238.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83281463 - 2⁴ = 83281447 is a prime.

It is equal to p_4849640 and since 83281463 and 4849640 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 (83281403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41640731 + 41640732.

It is an arithmetic number, because the mean of its divisors is an integer number (41640732).

Almost surely, 2^83281463 is an apocalyptic number.

83281463 is a deficient number, since it is larger than the sum of its proper divisors (1).

83281463 is an equidigital number, since it uses as much as digits as its factorization.

83281463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 83281463 is about 9125.8677943525. The cubic root of 83281463 is about 436.6995877387.

The spelling of 83281463 in words is "eighty-three million, two hundred eighty-one thousand, four hundred sixty-three".