547427 has 4 divisors (see below), whose sum is σ = 555000. Its totient is φ = 539856.

The previous prime is 547411. The next prime is 547441. The reversal of 547427 is 724745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 547427 - 2⁴ = 547411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 547427.

It is not an unprimeable number, because it can be changed into a prime (547487) 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, 3677 + ... + 3822.

It is an arithmetic number, because the mean of its divisors is an integer number (138750).

2⁵⁴⁷⁴²⁷ is an apocalyptic number.

547427 is a deficient number, since it is larger than the sum of its proper divisors (7573).

547427 is an equidigital number, since it uses as much as digits as its factorization.

547427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572.

The product of its digits is 7840, while the sum is 29.

The square root of 547427 is about 739.8830988744. The cubic root of 547427 is about 81.8041628431.

The spelling of 547427 in words is "five hundred forty-seven thousand, four hundred twenty-seven".