816027533 has 4 divisors (see below), whose sum is σ = 816268668. Its totient is φ = 815786400.

The previous prime is 816027529. The next prime is 816027571. The reversal of 816027533 is 335720618.

816027533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 331895524 + 484132009 = 18218^2 + 22003^2 .

It is a cyclic number.

It is not a de Polignac number, because 816027533 - 2² = 816027529 is a prime.

It is a super-2 number, since 2×816027533² = 1331801869228132178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816027493 and 816027502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816027503) 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, 115418 + ... + 122283.

It is an arithmetic number, because the mean of its divisors is an integer number (204067167).

Almost surely, 2^816027533 is an apocalyptic number.

It is an amenable number.

816027533 is a deficient number, since it is larger than the sum of its proper divisors (241135).

816027533 is a wasteful number, since it uses less digits than its factorization.

816027533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241134.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 816027533 is about 28566.1956340007. The cubic root of 816027533 is about 934.4762556204.

The spelling of 816027533 in words is "eight hundred sixteen million, twenty-seven thousand, five hundred thirty-three".