47963081 has 2 divisors, whose sum is σ = 47963082. Its totient is φ = 47963080.

The previous prime is 47963059. The next prime is 47963093. The reversal of 47963081 is 18036974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 13623481 = 5860^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 47963081 - 2¹⁸ = 47700937 is a prime.

It is a super-2 number, since 2×47963081² = 4600914278025122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47963281) 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, 23981540 + 23981541.

It is an arithmetic number, because the mean of its divisors is an integer number (23981541).

Almost surely, 2^47963081 is an apocalyptic number.

It is an amenable number.

47963081 is a deficient number, since it is larger than the sum of its proper divisors (1).

47963081 is an equidigital number, since it uses as much as digits as its factorization.

47963081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 47963081 is about 6925.5383184270. The cubic root of 47963081 is about 363.3309192856.

The spelling of 47963081 in words is "forty-seven million, nine hundred sixty-three thousand, eighty-one".