6448171 has 4 divisors (see below), whose sum is σ = 6499072. Its totient is φ = 6397272.

The previous prime is 6448157. The next prime is 6448207. The reversal of 6448171 is 1718446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1718446 = 2 ⋅859223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6448171 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 (6448271) 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, 25260 + ... + 25513.

It is an arithmetic number, because the mean of its divisors is an integer number (1624768).

Almost surely, 2^6448171 is an apocalyptic number.

6448171 is a deficient number, since it is larger than the sum of its proper divisors (50901).

6448171 is a wasteful number, since it uses less digits than its factorization.

6448171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50900.

The product of its digits is 5376, while the sum is 31.

The square root of 6448171 is about 2539.3249102862. The cubic root of 6448171 is about 186.1282019766.

The spelling of 6448171 in words is "six million, four hundred forty-eight thousand, one hundred seventy-one".