47141561 has 4 divisors (see below), whose sum is σ = 49914612. Its totient is φ = 44368512.

The previous prime is 47141557. The next prime is 47141573. The reversal of 47141561 is 16514174.

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 25806400 + 21335161 = 5080^2 + 4619^2 .

It is a cyclic number.

It is not a de Polignac number, because 47141561 - 2² = 47141557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47141551) 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, 1386500 + ... + 1386533.

It is an arithmetic number, because the mean of its divisors is an integer number (12478653).

Almost surely, 2^47141561 is an apocalyptic number.

It is an amenable number.

47141561 is a deficient number, since it is larger than the sum of its proper divisors (2773051).

47141561 is a wasteful number, since it uses less digits than its factorization.

47141561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773050.

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

The square root of 47141561 is about 6865.9712350111. The cubic root of 47141561 is about 361.2445633214.

The spelling of 47141561 in words is "forty-seven million, one hundred forty-one thousand, five hundred sixty-one".