83281051 has 8 divisors (see below), whose sum is σ = 95316480. Its totient is φ = 71280168.

The previous prime is 83281049. The next prime is 83281057. The reversal of 83281051 is 15018238.

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

It is a cyclic number.

It is not a de Polignac number, because 83281051 - 2¹ = 83281049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83281057) 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, 3241 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (11914560).

Almost surely, 2^83281051 is an apocalyptic number.

83281051 is a deficient number, since it is larger than the sum of its proper divisors (12035429).

83281051 is a wasteful number, since it uses less digits than its factorization.

83281051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17273.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 83281051 is about 9125.8452211288. The cubic root of 83281051 is about 436.6988676083.

Adding to 83281051 its reverse (15018238), we get a palindrome (98299289).

The spelling of 83281051 in words is "eighty-three million, two hundred eighty-one thousand, fifty-one".