549625 has 8 divisors (see below), whose sum is σ = 686088. Its totient is φ = 439600.

The previous prime is 549623. The next prime is 549641. The reversal of 549625 is 526945.

549625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 522729 = 164^2 + 723^2 .

It is not a de Polignac number, because 549625 - 2¹ = 549623 is a prime.

It is a Duffinian number.

549625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (549623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (85761).

2⁵⁴⁹⁶²⁵ is an apocalyptic number.

It is an amenable number.

549625 is a deficient number, since it is larger than the sum of its proper divisors (136463).

549625 is an equidigital number, since it uses as much as digits as its factorization.

549625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 4402 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 549625 is about 741.3669806513. The cubic root of 549625 is about 81.9135018885.

The spelling of 549625 in words is "five hundred forty-nine thousand, six hundred twenty-five".