547381 has 4 divisors (see below), whose sum is σ = 549472. Its totient is φ = 545292.

The previous prime is 547373. The next prime is 547387. The reversal of 547381 is 183745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183745 = 5 ⋅36749.

It is a cyclic number.

It is not a de Polignac number, because 547381 - 2³ = 547373 is a prime.

It is a super-2 number, since 2×547381² = 599251918322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547387) 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, 585 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (137368).

2⁵⁴⁷³⁸¹ is an apocalyptic number.

It is an amenable number.

547381 is a deficient number, since it is larger than the sum of its proper divisors (2091).

547381 is a wasteful number, since it uses less digits than its factorization.

547381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090.

The product of its digits is 3360, while the sum is 28.

The square root of 547381 is about 739.8520122295. The cubic root of 547381 is about 81.8018714588.

The spelling of 547381 in words is "five hundred forty-seven thousand, three hundred eighty-one".