803215081 has 8 divisors (see below), whose sum is σ = 811314144. Its totient is φ = 795127200.

The previous prime is 803215073. The next prime is 803215087. The reversal of 803215081 is 180512308.

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 803215081 - 2³ = 803215073 is a prime.

It is a super-2 number, since 2×803215081² = 1290308932691673122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803215087) 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, 280306 + ... + 283156.

It is an arithmetic number, because the mean of its divisors is an integer number (101414268).

Almost surely, 2^803215081 is an apocalyptic number.

It is an amenable number.

803215081 is a deficient number, since it is larger than the sum of its proper divisors (8099063).

803215081 is a wasteful number, since it uses less digits than its factorization.

803215081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

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

The square root of 803215081 is about 28341.0493983550. The cubic root of 803215081 is about 929.5596948363.

Adding to 803215081 its reverse (180512308), we get a palindrome (983727389).

The spelling of 803215081 in words is "eight hundred three million, two hundred fifteen thousand, eighty-one".