83272281 has 4 divisors (see below), whose sum is σ = 111029712. Its totient is φ = 55514852.

The previous prime is 83272261. The next prime is 83272283. The reversal of 83272281 is 18227238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83272281 - 2¹⁰ = 83271257 is a prime.

It is a super-2 number, since 2×83272281² = 13868545565885922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83272283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13878711 + ... + 13878716.

It is an arithmetic number, because the mean of its divisors is an integer number (27757428).

Almost surely, 2^83272281 is an apocalyptic number.

It is an amenable number.

83272281 is a deficient number, since it is larger than the sum of its proper divisors (27757431).

83272281 is a wasteful number, since it uses less digits than its factorization.

83272281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27757430.

The product of its digits is 10752, while the sum is 33.

The square root of 83272281 is about 9125.3647050406. The cubic root of 83272281 is about 436.6835380567.

The spelling of 83272281 in words is "eighty-three million, two hundred seventy-two thousand, two hundred eighty-one".