47267161 has 4 divisors (see below), whose sum is σ = 47293092. Its totient is φ = 47241232.

The previous prime is 47267159. The next prime is 47267173. The reversal of 47267161 is 16176274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16176274 = 2 ⋅8088137.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 22705225 = 4956^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 47267161 - 2¹ = 47267159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47267111) 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, 10006 + ... + 13951.

It is an arithmetic number, because the mean of its divisors is an integer number (11823273).

Almost surely, 2^47267161 is an apocalyptic number.

It is an amenable number.

47267161 is a deficient number, since it is larger than the sum of its proper divisors (25931).

47267161 is a wasteful number, since it uses less digits than its factorization.

47267161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25930.

The product of its digits is 14112, while the sum is 34.

The square root of 47267161 is about 6875.1117081834. Note that the first 3 decimals coincide. The cubic root of 47267161 is about 361.5651020020.

The spelling of 47267161 in words is "forty-seven million, two hundred sixty-seven thousand, one hundred sixty-one".