47415161 has 4 divisors (see below), whose sum is σ = 47986512. Its totient is φ = 46843812.

The previous prime is 47415143. The next prime is 47415187. The reversal of 47415161 is 16151474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47415161 - 2¹⁰ = 47414137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47415061) 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, 285551 + ... + 285716.

It is an arithmetic number, because the mean of its divisors is an integer number (11996628).

Almost surely, 2^47415161 is an apocalyptic number.

It is an amenable number.

47415161 is a deficient number, since it is larger than the sum of its proper divisors (571351).

47415161 is an equidigital number, since it uses as much as digits as its factorization.

47415161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571350.

The product of its digits is 3360, while the sum is 29.

The square root of 47415161 is about 6885.8667573516. The cubic root of 47415161 is about 361.9420788865.

The spelling of 47415161 in words is "forty-seven million, four hundred fifteen thousand, one hundred sixty-one".