6780613 has 4 divisors (see below), whose sum is σ = 7749280. Its totient is φ = 5811948.

The previous prime is 6780611. The next prime is 6780619. The reversal of 6780613 is 3160876.

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.

It is a cyclic number.

It is not a de Polignac number, because 6780613 - 2¹ = 6780611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780611) 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, 484323 + ... + 484336.

It is an arithmetic number, because the mean of its divisors is an integer number (1937320).

Almost surely, 2^6780613 is an apocalyptic number.

It is an amenable number.

6780613 is a deficient number, since it is larger than the sum of its proper divisors (968667).

6780613 is an equidigital number, since it uses as much as digits as its factorization.

6780613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968666.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6780613 is about 2603.9610212136. The cubic root of 6780613 is about 189.2734300865.

The spelling of 6780613 in words is "six million, seven hundred eighty thousand, six hundred thirteen".