47412561 has 16 divisors (see below), whose sum is σ = 73164800. Its totient is φ = 26749008.

The previous prime is 47412559. The next prime is 47412569. The reversal of 47412561 is 16521474.

It is not a de Polignac number, because 47412561 - 2¹ = 47412559 is a prime.

It is a super-3 number, since 3×47412561³ (a number of 24 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47412569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12631 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (4572800).

Almost surely, 2^47412561 is an apocalyptic number.

It is an amenable number.

47412561 is a deficient number, since it is larger than the sum of its proper divisors (25752239).

47412561 is a wasteful number, since it uses less digits than its factorization.

47412561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668.

The product of its digits is 6720, while the sum is 30.

The square root of 47412561 is about 6885.6779622634. The cubic root of 47412561 is about 361.9354630940.

The spelling of 47412561 in words is "forty-seven million, four hundred twelve thousand, five hundred sixty-one".