547011491 has 4 divisors (see below), whose sum is σ = 589089312. Its totient is φ = 504933672.

The previous prime is 547011467. The next prime is 547011541. The reversal of 547011491 is 194110745.

It is a happy number.

547011491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 547011491 - 2¹⁰ = 547010467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547001491) 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, 21038891 + ... + 21038916.

It is an arithmetic number, because the mean of its divisors is an integer number (147272328).

Almost surely, 2^547011491 is an apocalyptic number.

547011491 is a deficient number, since it is larger than the sum of its proper divisors (42077821).

547011491 is a wasteful number, since it uses less digits than its factorization.

547011491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42077820.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 547011491 is about 23388.2767856035. The cubic root of 547011491 is about 817.8346055811.

It can be divided in two parts, 5470 and 11491, that added together give a palindrome (16961).

The spelling of 547011491 in words is "five hundred forty-seven million, eleven thousand, four hundred ninety-one".