6934561 has 4 divisors (see below), whose sum is σ = 6941952. Its totient is φ = 6927172.

The previous prime is 6934549. The next prime is 6934579. The reversal of 6934561 is 1654396.

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 a de Polignac number, because none of the positive numbers 2^k-6934561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6934591) 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, 2041 + ... + 4246.

It is an arithmetic number, because the mean of its divisors is an integer number (1735488).

Almost surely, 2^6934561 is an apocalyptic number.

It is an amenable number.

6934561 is a deficient number, since it is larger than the sum of its proper divisors (7391).

6934561 is a wasteful number, since it uses less digits than its factorization.

6934561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390.

The product of its digits is 19440, while the sum is 34.

The square root of 6934561 is about 2633.3554640420. The cubic root of 6934561 is about 190.6951543630.

The spelling of 6934561 in words is "six million, nine hundred thirty-four thousand, five hundred sixty-one".