547861641 has 8 divisors (see below), whose sum is σ = 731919360. Its totient is φ = 364522512.

The previous prime is 547861621. The next prime is 547861687. The reversal of 547861641 is 146168745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 547861641 - 2²⁶ = 480752777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 547861593 and 547861602.

It is not an unprimeable number, because it can be changed into a prime (547861621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177865 + ... + 180918.

It is an arithmetic number, because the mean of its divisors is an integer number (91489920).

Almost surely, 2^547861641 is an apocalyptic number.

It is an amenable number.

547861641 is a deficient number, since it is larger than the sum of its proper divisors (184057719).

547861641 is a wasteful number, since it uses less digits than its factorization.

547861641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359295.

The product of its digits is 161280, while the sum is 42.

The square root of 547861641 is about 23406.4444331043. Note that the first 4 decimals coincide. The cubic root of 547861641 is about 818.2580715205.

The spelling of 547861641 in words is "five hundred forty-seven million, eight hundred sixty-one thousand, six hundred forty-one".