481471549 has 4 divisors (see below), whose sum is σ = 518507836. Its totient is φ = 444435264.

The previous prime is 481471537. The next prime is 481471591. The reversal of 481471549 is 945174184.

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 271656324 + 209815225 = 16482^2 + 14485^2 .

It is not a de Polignac number, because 481471549 - 2¹¹ = 481469501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481471649) 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, 18518124 + ... + 18518149.

It is an arithmetic number, because the mean of its divisors is an integer number (129626959).

Almost surely, 2^481471549 is an apocalyptic number.

It is an amenable number.

481471549 is a deficient number, since it is larger than the sum of its proper divisors (37036287).

481471549 is a wasteful number, since it uses less digits than its factorization.

481471549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37036286.

The product of its digits is 161280, while the sum is 43.

The square root of 481471549 is about 21942.4599578078. The cubic root of 481471549 is about 783.7728396828.

The spelling of 481471549 in words is "four hundred eighty-one million, four hundred seventy-one thousand, five hundred forty-nine".