547492947 has 4 divisors (see below), whose sum is σ = 729990600. Its totient is φ = 364995296.

The previous prime is 547492921. The next prime is 547492951. The reversal of 547492947 is 749294745.

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 547492947 - 2⁸ = 547492691 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 547492947.

It is not an unprimeable number, because it can be changed into a prime (547412947) 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, 91248822 + ... + 91248827.

It is an arithmetic number, because the mean of its divisors is an integer number (182497650).

Almost surely, 2^547492947 is an apocalyptic number.

547492947 is a deficient number, since it is larger than the sum of its proper divisors (182497653).

547492947 is a wasteful number, since it uses less digits than its factorization.

547492947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182497652.

The product of its digits is 2540160, while the sum is 51.

The square root of 547492947 is about 23398.5671997240. The cubic root of 547492947 is about 818.0744761748.

The spelling of 547492947 in words is "five hundred forty-seven million, four hundred ninety-two thousand, nine hundred forty-seven".