803813053 has 4 divisors (see below), whose sum is σ = 803915388. Its totient is φ = 803710720.

The previous prime is 803813051. The next prime is 803813063. The reversal of 803813053 is 350318308.

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 145274809 + 658538244 = 12053^2 + 25662^2 .

It is a cyclic number.

It is not a de Polignac number, because 803813053 - 2¹ = 803813051 is a prime.

It is a super-2 number, since 2×803813053² = 1292230848346361618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803813051) 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, 38308 + ... + 55453.

It is an arithmetic number, because the mean of its divisors is an integer number (200978847).

Almost surely, 2^803813053 is an apocalyptic number.

It is an amenable number.

803813053 is a deficient number, since it is larger than the sum of its proper divisors (102335).

803813053 is an equidigital number, since it uses as much as digits as its factorization.

803813053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102334.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 803813053 is about 28351.5970096924. The cubic root of 803813053 is about 929.7903150033.

The spelling of 803813053 in words is "eight hundred three million, eight hundred thirteen thousand, fifty-three".