547809249 has 16 divisors (see below), whose sum is σ = 787957632. Its totient is φ = 336530688.

The previous prime is 547809221. The next prime is 547809281. The reversal of 547809249 is 942908745.

547809249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-547809249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 547809198 and 547809207.

It is not an unprimeable number, because it can be changed into a prime (547809209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11284 + ... + 34970.

It is an arithmetic number, because the mean of its divisors is an integer number (49247352).

Almost surely, 2^547809249 is an apocalyptic number.

It is an amenable number.

547809249 is a deficient number, since it is larger than the sum of its proper divisors (240148383).

547809249 is a wasteful number, since it uses less digits than its factorization.

547809249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24296.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 547809249 is about 23405.3252273922. The cubic root of 547809249 is about 818.2319873535.

The spelling of 547809249 in words is "five hundred forty-seven million, eight hundred nine thousand, two hundred forty-nine".