544987 has 4 divisors (see below), whose sum is σ = 547560. Its totient is φ = 542416.

The previous prime is 544979. The next prime is 545023. The reversal of 544987 is 789445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789445 = 5 ⋅157889.

It is a cyclic number.

It is not a de Polignac number, because 544987 - 2³ = 544979 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (544927) 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, 937 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (136890).

2⁵⁴⁴⁹⁸⁷ is an apocalyptic number.

544987 is a deficient number, since it is larger than the sum of its proper divisors (2573).

544987 is a wasteful number, since it uses less digits than its factorization.

544987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 40320, while the sum is 37.

The square root of 544987 is about 738.2323482482. The cubic root of 544987 is about 81.6824422299.

It can be divided in two parts, 54 and 4987, that added together give a square (5041 = 71²).

The spelling of 544987 in words is "five hundred forty-four thousand, nine hundred eighty-seven".