47183161 has 3 divisors (see below), whose sum is σ = 47190031. Its totient is φ = 47176292.

The previous prime is 47183153. The next prime is 47183173. The reversal of 47183161 is 16138174.

The square root of 47183161 is 6869.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 46512400 = 819^2 + 6820^2 .

It is not a de Polignac number, because 47183161 - 2³ = 47183153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47183111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3435 + ... + 10303.

Almost surely, 2^47183161 is an apocalyptic number.

47183161 is the 6869-th square number.

47183161 is the 3435-th centered octagonal number.

It is an amenable number.

47183161 is a deficient number, since it is larger than the sum of its proper divisors (6870).

47183161 is an frugal number, since it uses more digits than its factorization.

47183161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738 (or 6869 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The cubic root of 47183161 is about 361.3507919886.

The spelling of 47183161 in words is "forty-seven million, one hundred eighty-three thousand, one hundred sixty-one".