6478291 has 4 divisors (see below), whose sum is σ = 6519712. Its totient is φ = 6436872.

The previous prime is 6478279. The next prime is 6478301. The reversal of 6478291 is 1928746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1928746 = 2 ⋅964373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6478291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6478291.

It is not an unprimeable number, because it can be changed into a prime (6478201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20475 + ... + 20788.

It is an arithmetic number, because the mean of its divisors is an integer number (1629928).

Almost surely, 2^6478291 is an apocalyptic number.

6478291 is the 1470-th hex number.

6478291 is a deficient number, since it is larger than the sum of its proper divisors (41421).

6478291 is a wasteful number, since it uses less digits than its factorization.

6478291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41420.

The product of its digits is 24192, while the sum is 37.

The square root of 6478291 is about 2545.2487108336. The cubic root of 6478291 is about 186.4175592237.

The spelling of 6478291 in words is "six million, four hundred seventy-eight thousand, two hundred ninety-one".