6981353 has 4 divisors (see below), whose sum is σ = 6986640. Its totient is φ = 6976068.

The previous prime is 6981349. The next prime is 6981367. The reversal of 6981353 is 3531896.

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.

It is a cyclic number.

It is not a de Polignac number, because 6981353 - 2² = 6981349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6981313) 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, 1226 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (1746660).

Almost surely, 2^6981353 is an apocalyptic number.

It is an amenable number.

6981353 is a deficient number, since it is larger than the sum of its proper divisors (5287).

6981353 is a wasteful number, since it uses less digits than its factorization.

6981353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its digits is 19440, while the sum is 35.

The square root of 6981353 is about 2642.2250093435. The cubic root of 6981353 is about 191.1231080469.

The spelling of 6981353 in words is "six million, nine hundred eighty-one thousand, three hundred fifty-three".