547045321 has 9 divisors (see below), whose sum is σ = 577821933. Its totient is φ = 517832460.

The previous prime is 547045319. The next prime is 547045351. The reversal of 547045321 is 123540745.

The square root of 547045321 is 23389.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 547045321 - 2¹ = 547045319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547045351) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 443776 + ... + 445006.

It is an arithmetic number, because the mean of its divisors is an integer number (64202437).

Almost surely, 2^547045321 is an apocalyptic number.

547045321 is the 23389-th square number.

547045321 is the 11695-th centered octagonal number.

It is an amenable number.

547045321 is a deficient number, since it is larger than the sum of its proper divisors (30776612).

547045321 is an frugal number, since it uses more digits than its factorization.

547045321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The cubic root of 547045321 is about 817.8514649310.

It can be divided in two parts, 54704 and 5321, that added together give a square (60025 = 245²).

The spelling of 547045321 in words is "five hundred forty-seven million, forty-five thousand, three hundred twenty-one".