47044561 has 2 divisors, whose sum is σ = 47044562. Its totient is φ = 47044560.

The previous prime is 47044553. The next prime is 47044681. The reversal of 47044561 is 16544074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44089600 + 2954961 = 6640^2 + 1719^2 .

It is a cyclic number.

It is not a de Polignac number, because 47044561 - 2³ = 47044553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47044511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23522280 + 23522281.

It is an arithmetic number, because the mean of its divisors is an integer number (23522281).

Almost surely, 2^47044561 is an apocalyptic number.

It is an amenable number.

47044561 is a deficient number, since it is larger than the sum of its proper divisors (1).

47044561 is an equidigital number, since it uses as much as digits as its factorization.

47044561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 47044561 is about 6858.9037753857. The cubic root of 47044561 is about 360.9966236898.

The spelling of 47044561 in words is "forty-seven million, forty-four thousand, five hundred sixty-one".