47032561 has 2 divisors, whose sum is σ = 47032562. Its totient is φ = 47032560.

The previous prime is 47032547. The next prime is 47032567. The reversal of 47032561 is 16523074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 1874161 = 6720^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 47032561 - 2⁵ = 47032529 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (47032567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23516280 + 23516281.

It is an arithmetic number, because the mean of its divisors is an integer number (23516281).

Almost surely, 2^47032561 is an apocalyptic number.

It is an amenable number.

47032561 is a deficient number, since it is larger than the sum of its proper divisors (1).

47032561 is an equidigital number, since it uses as much as digits as its factorization.

47032561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47032561 is about 6858.0289442375. The cubic root of 47032561 is about 360.9659270640.

The spelling of 47032561 in words is "forty-seven million, thirty-two thousand, five hundred sixty-one".