547825 has 12 divisors (see below), whose sum is σ = 719820. Its totient is φ = 412160.

The previous prime is 547823. The next prime is 547831. The reversal of 547825 is 528745.

It can be written as a sum of positive squares in 6 ways, for example, as 16384 + 531441 = 128^2 + 729^2 .

It is not a de Polignac number, because 547825 - 2¹ = 547823 is a prime.

It is a super-2 number, since 2×547825² = 600224461250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (59985).

2⁵⁴⁷⁸²⁵ is an apocalyptic number.

It is an amenable number.

547825 is a deficient number, since it is larger than the sum of its proper divisors (171995).

547825 is a wasteful number, since it uses less digits than its factorization.

547825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1311 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 547825 is about 740.1520114139. The cubic root of 547825 is about 81.8239829407.

The spelling of 547825 in words is "five hundred forty-seven thousand, eight hundred twenty-five".