6816053 has 4 divisors (see below), whose sum is σ = 6821568. Its totient is φ = 6810540.

The previous prime is 6816049. The next prime is 6816067. The reversal of 6816053 is 3506186.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3506186 = 2 ⋅1753093.

It is a cyclic number.

It is not a de Polignac number, because 6816053 - 2² = 6816049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816013) 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, 50 + ... + 3692.

It is an arithmetic number, because the mean of its divisors is an integer number (1705392).

Almost surely, 2^6816053 is an apocalyptic number.

It is an amenable number.

6816053 is a deficient number, since it is larger than the sum of its proper divisors (5515).

6816053 is a wasteful number, since it uses less digits than its factorization.

6816053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6816053 is about 2610.7571698647. The cubic root of 6816053 is about 189.6026135794.

The spelling of 6816053 in words is "six million, eight hundred sixteen thousand, fifty-three".