549725 has 12 divisors (see below), whose sum is σ = 744000. Its totient is φ = 399600.

The previous prime is 549719. The next prime is 549733. The reversal of 549725 is 527945.

549725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-549725 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549691 and 549700.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549725.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (62000).

2⁵⁴⁹⁷²⁵ is an apocalyptic number.

549725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549725 is a deficient number, since it is larger than the sum of its proper divisors (194275).

549725 is a wasteful number, since it uses less digits than its factorization.

549725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2015 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 549725 is about 741.4344205660. The cubic root of 549725 is about 81.9184694290.

It can be divided in two parts, 54 and 9725, that added together give a palindrome (9779).

The spelling of 549725 in words is "five hundred forty-nine thousand, seven hundred twenty-five".