547874149 has 4 divisors (see below), whose sum is σ = 550901260. Its totient is φ = 544847040.

The previous prime is 547874111. The next prime is 547874189. The reversal of 547874149 is 941478745.

547874149 = T₁₉₁₁₀ + T₁₉₁₁₁ + T₁₉₁₁₂.

547874149 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 can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 534441924 = 3665^2 + 23118^2 .

It is a cyclic number.

It is not a de Polignac number, because 547874149 - 2¹⁵ = 547841381 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547874189) 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, 1513284 + ... + 1513645.

It is an arithmetic number, because the mean of its divisors is an integer number (137725315).

Almost surely, 2^547874149 is an apocalyptic number.

547874149 is the 19112-nd centered triangular number.

It is an amenable number.

547874149 is a deficient number, since it is larger than the sum of its proper divisors (3027111).

547874149 is a wasteful number, since it uses less digits than its factorization.

547874149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027110.

The product of its digits is 1128960, while the sum is 49.

The square root of 547874149 is about 23406.7116229512. The cubic root of 547874149 is about 818.2642985757.

The spelling of 547874149 in words is "five hundred forty-seven million, eight hundred seventy-four thousand, one hundred forty-nine".