803253861 has 32 divisors (see below), whose sum is σ = 1295856000. Its totient is φ = 489815424.

The previous prime is 803253851. The next prime is 803253877. The reversal of 803253861 is 168352308.

It is not a de Polignac number, because 803253861 - 2⁷ = 803253733 is a prime.

It is a super-2 number, since 2×803253861² = 1290433530422814642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803253851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12120 + ... + 41873.

It is an arithmetic number, because the mean of its divisors is an integer number (40495500).

Almost surely, 2^803253861 is an apocalyptic number.

It is an amenable number.

803253861 is a deficient number, since it is larger than the sum of its proper divisors (492602139).

803253861 is a wasteful number, since it uses less digits than its factorization.

803253861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54050 (or 54044 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 803253861 is about 28341.7335567181. The cubic root of 803253861 is about 929.5746546089.

The spelling of 803253861 in words is "eight hundred three million, two hundred fifty-three thousand, eight hundred sixty-one".