6278313 has 4 divisors (see below), whose sum is σ = 8371088. Its totient is φ = 4185540.

The previous prime is 6278309. The next prime is 6278329. The reversal of 6278313 is 3138726.

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 not a de Polignac number, because 6278313 - 2² = 6278309 is a prime.

It is a D-number.

It is a Duffinian number.

6278313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6278353) 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, 1046383 + ... + 1046388.

It is an arithmetic number, because the mean of its divisors is an integer number (2092772).

Almost surely, 2^6278313 is an apocalyptic number.

It is an amenable number.

6278313 is a deficient number, since it is larger than the sum of its proper divisors (2092775).

6278313 is a wasteful number, since it uses less digits than its factorization.

6278313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092774.

The product of its digits is 6048, while the sum is 30.

The square root of 6278313 is about 2505.6562014770. The cubic root of 6278313 is about 184.4793052632.

It can be divided in two parts, 6 and 278313, that multiplied together give a triangular number (1669878 = T₁₈₂₇).

The spelling of 6278313 in words is "six million, two hundred seventy-eight thousand, three hundred thirteen".