547488421 has 2 divisors, whose sum is σ = 547488422. Its totient is φ = 547488420.

The previous prime is 547488397. The next prime is 547488493. The reversal of 547488421 is 124884745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461648196 + 85840225 = 21486^2 + 9265^2 .

It is a cyclic number.

It is not a de Polignac number, because 547488421 - 2¹⁹ = 546964133 is a prime.

It is a super-2 number, since 2×547488421² = 599487142258146482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547489421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273744210 + 273744211.

It is an arithmetic number, because the mean of its divisors is an integer number (273744211).

Almost surely, 2^547488421 is an apocalyptic number.

It is an amenable number.

547488421 is a deficient number, since it is larger than the sum of its proper divisors (1).

547488421 is an equidigital number, since it uses as much as digits as its factorization.

547488421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 43.

The square root of 547488421 is about 23398.4704842005. The cubic root of 547488421 is about 818.0722218899.

The spelling of 547488421 in words is "five hundred forty-seven million, four hundred eighty-eight thousand, four hundred twenty-one".