47641571 has 2 divisors, whose sum is σ = 47641572. Its totient is φ = 47641570.

The previous prime is 47641567. The next prime is 47641651. The reversal of 47641571 is 17514674.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47641571 - 2² = 47641567 is a prime.

It is not a weakly prime, because it can be changed into another prime (47641511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23820785 + 23820786.

It is an arithmetic number, because the mean of its divisors is an integer number (23820786).

Almost surely, 2^47641571 is an apocalyptic number.

47641571 is a deficient number, since it is larger than the sum of its proper divisors (1).

47641571 is an equidigital number, since it uses as much as digits as its factorization.

47641571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 47641571 is about 6902.2873744868. The cubic root of 47641571 is about 362.5172621189.

The spelling of 47641571 in words is "forty-seven million, six hundred forty-one thousand, five hundred seventy-one".