83051081 has 4 divisors (see below), whose sum is σ = 83236500. Its totient is φ = 82865664.

The previous prime is 83051039. The next prime is 83051113. The reversal of 83051081 is 18015038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55056400 + 27994681 = 7420^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 83051081 - 2¹⁰ = 83050057 is a prime.

It is a super-2 number, since 2×83051081² = 13794964110537122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83051081.

It is not an unprimeable number, because it can be changed into a prime (83051011) 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, 92036 + ... + 92933.

It is an arithmetic number, because the mean of its divisors is an integer number (20809125).

Almost surely, 2^83051081 is an apocalyptic number.

It is an amenable number.

83051081 is a deficient number, since it is larger than the sum of its proper divisors (185419).

83051081 is a wasteful number, since it uses less digits than its factorization.

83051081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185418.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 83051081 is about 9113.2365820273. The cubic root of 83051081 is about 436.2965343091.

The spelling of 83051081 in words is "eighty-three million, fifty-one thousand, eighty-one".