80803081 has 4 divisors (see below), whose sum is σ = 83409664. Its totient is φ = 78196500.

The previous prime is 80803069. The next prime is 80803097. The reversal of 80803081 is 18030808.

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 80803081 - 2¹¹ = 80801033 is a prime.

It is a super-2 number, since 2×80803081² = 13058275798185122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80803001) 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, 1303245 + ... + 1303306.

It is an arithmetic number, because the mean of its divisors is an integer number (20852416).

Almost surely, 2^80803081 is an apocalyptic number.

It is an amenable number.

80803081 is a deficient number, since it is larger than the sum of its proper divisors (2606583).

80803081 is a wasteful number, since it uses less digits than its factorization.

80803081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606582.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80803081 is about 8989.0533984397. The cubic root of 80803081 is about 432.3239614581.

Adding to 80803081 its reverse (18030808), we get a palindrome (98833889).

The spelling of 80803081 in words is "eighty million, eight hundred three thousand, eighty-one".