6478351 has 4 divisors (see below), whose sum is σ = 7067304. Its totient is φ = 5889400.

The previous prime is 6478313. The next prime is 6478363. The reversal of 6478351 is 1538746.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6478351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478301) 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, 294460 + ... + 294481.

It is an arithmetic number, because the mean of its divisors is an integer number (1766826).

Almost surely, 2^6478351 is an apocalyptic number.

6478351 is a deficient number, since it is larger than the sum of its proper divisors (588953).

6478351 is a wasteful number, since it uses less digits than its factorization.

6478351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588952.

The product of its digits is 20160, while the sum is 34.

The square root of 6478351 is about 2545.2604974737. The cubic root of 6478351 is about 186.4181347366.

It can be divided in two parts, 6478 and 351, that multiplied together give a triangular number (2273778 = T₂₁₃₂).

The spelling of 6478351 in words is "six million, four hundred seventy-eight thousand, three hundred fifty-one".