6978053 has 4 divisors (see below), whose sum is σ = 6983340. Its totient is φ = 6972768.

The previous prime is 6978047. The next prime is 6978061. The reversal of 6978053 is 3508796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5230369 + 1747684 = 2287^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 6978053 - 2⁸ = 6977797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6977998 and 6978016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (1745835).

Almost surely, 2^6978053 is an apocalyptic number.

It is an amenable number.

6978053 is a deficient number, since it is larger than the sum of its proper divisors (5287).

6978053 is a wasteful number, since it uses less digits than its factorization.

6978053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 6978053 is about 2641.6004618413. The cubic root of 6978053 is about 191.0929894506.

The spelling of 6978053 in words is "six million, nine hundred seventy-eight thousand, fifty-three".