4971549 has 16 divisors (see below), whose sum is σ = 7326720. Its totient is φ = 2973360.

The previous prime is 4971529. The next prime is 4971553. The reversal of 4971549 is 9451794.

It is not a de Polignac number, because 4971549 - 2⁹ = 4971037 is a prime.

4971549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971529) 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 15 ways as a sum of consecutive naturals, for example, 1654 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (457920).

Almost surely, 2^4971549 is an apocalyptic number.

It is an amenable number.

4971549 is a deficient number, since it is larger than the sum of its proper divisors (2355171).

4971549 is a wasteful number, since it uses less digits than its factorization.

4971549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its digits is 45360, while the sum is 39.

The square root of 4971549 is about 2229.6970646256. The cubic root of 4971549 is about 170.6726406973.

The spelling of 4971549 in words is "four million, nine hundred seventy-one thousand, five hundred forty-nine".