5256447 has 8 divisors (see below), whose sum is σ = 8009856. Its totient is φ = 3003672.

The previous prime is 5256413. The next prime is 5256463. The reversal of 5256447 is 7446525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5256447 - 2⁷ = 5256319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256467) 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 7 ways as a sum of consecutive naturals, for example, 125133 + ... + 125174.

It is an arithmetic number, because the mean of its divisors is an integer number (1001232).

Almost surely, 2^5256447 is an apocalyptic number.

5256447 is a deficient number, since it is larger than the sum of its proper divisors (2753409).

5256447 is a wasteful number, since it uses less digits than its factorization.

5256447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250317.

The product of its digits is 33600, while the sum is 33.

The square root of 5256447 is about 2292.6942665781. The cubic root of 5256447 is about 173.8724458218.

It can be divided in two parts, 5256 and 447, that multiplied together give a palindrome (2349432).

The spelling of 5256447 in words is "five million, two hundred fifty-six thousand, four hundred forty-seven".