83463281 has 8 divisors (see below), whose sum is σ = 91255584. Its totient is φ = 75705120.

The previous prime is 83463271. The next prime is 83463299. The reversal of 83463281 is 18236438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83463281 is a prime.

It is a super-2 number, since 2×83463281² = 13932238550569922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83463271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (11406948).

Almost surely, 2^83463281 is an apocalyptic number.

It is an amenable number.

83463281 is a deficient number, since it is larger than the sum of its proper divisors (7792303).

83463281 is a wasteful number, since it uses less digits than its factorization.

83463281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17071.

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

The square root of 83463281 is about 9135.8240460289. The cubic root of 83463281 is about 437.0171539434.

It can be divided in two parts, 83 and 463281, that added together give a palindrome (463364).

The spelling of 83463281 in words is "eighty-three million, four hundred sixty-three thousand, two hundred eighty-one".