47641081 has 2 divisors, whose sum is σ = 47641082. Its totient is φ = 47641080.

The previous prime is 47641067. The next prime is 47641103. The reversal of 47641081 is 18014674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24167056 + 23474025 = 4916^2 + 4845^2 .

It is a cyclic number.

It is not a de Polignac number, because 47641081 - 2⁵ = 47641049 is a prime.

It is a super-2 number, since 2×47641081² = 4539345197697122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47641031) 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, 23820540 + 23820541.

It is an arithmetic number, because the mean of its divisors is an integer number (23820541).

Almost surely, 2^47641081 is an apocalyptic number.

It is an amenable number.

47641081 is a deficient number, since it is larger than the sum of its proper divisors (1).

47641081 is an equidigital number, since it uses as much as digits as its factorization.

47641081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 47641081 is about 6902.2518789160. The cubic root of 47641081 is about 362.5160192683.

The spelling of 47641081 in words is "forty-seven million, six hundred forty-one thousand, eighty-one".