816053 has 4 divisors (see below), whose sum is σ = 932640. Its totient is φ = 699468.

The previous prime is 816047. The next prime is 816077. The reversal of 816053 is 350618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350618 = 2 ⋅175309.

It is not a de Polignac number, because 816053 - 2⁴ = 816037 is a prime.

It is a super-3 number, since 3×816053³ = 1630333121941742631, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816053.

It is not an unprimeable number, because it can be changed into a prime (816043) 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, 58283 + ... + 58296.

It is an arithmetic number, because the mean of its divisors is an integer number (233160).

2⁸¹⁶⁰⁵³ is an apocalyptic number.

It is an amenable number.

816053 is a deficient number, since it is larger than the sum of its proper divisors (116587).

816053 is a wasteful number, since it uses less digits than its factorization.

816053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116586.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 816053 is about 903.3565187676. The cubic root of 816053 is about 93.4485976722.

It can be divided in two parts, 8 and 16053, that added together give a palindrome (16061).

The spelling of 816053 in words is "eight hundred sixteen thousand, fifty-three".