805353053 has 4 divisors (see below), whose sum is σ = 852726780. Its totient is φ = 757979328.

The previous prime is 805353011. The next prime is 805353151. The reversal of 805353053 is 350353508.

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 222516889 + 582836164 = 14917^2 + 24142^2 .

It is a cyclic number.

It is not a de Polignac number, because 805353053 - 2¹⁴ = 805336669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805353553) 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, 23686838 + ... + 23686871.

It is an arithmetic number, because the mean of its divisors is an integer number (213181695).

Almost surely, 2^805353053 is an apocalyptic number.

It is an amenable number.

805353053 is a deficient number, since it is larger than the sum of its proper divisors (47373727).

805353053 is a wasteful number, since it uses less digits than its factorization.

805353053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47373726.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 805353053 is about 28378.7429777994. The cubic root of 805353053 is about 930.3837214853.

The spelling of 805353053 in words is "eight hundred five million, three hundred fifty-three thousand, fifty-three".