544257 has 24 divisors (see below), whose sum is σ = 921024. Its totient is φ = 303264.

The previous prime is 544223. The next prime is 544259. The reversal of 544257 is 752445.

It is not a de Polignac number, because 544257 - 2⁷ = 544129 is a prime.

It is a d-powerful number, because it can be written as 5 + 4² + 2¹⁹ + 4² + 5⁵ + 7⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 544257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3258 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (38376).

2⁵⁴⁴²⁵⁷ is an apocalyptic number.

It is an amenable number.

544257 is a deficient number, since it is larger than the sum of its proper divisors (376767).

544257 is a wasteful number, since it uses less digits than its factorization.

544257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 226 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 544257 is about 737.7377582854. The cubic root of 544257 is about 81.6459552273.

The spelling of 544257 in words is "five hundred forty-four thousand, two hundred fifty-seven".