47662481 has 2 divisors, whose sum is σ = 47662482. Its totient is φ = 47662480.

The previous prime is 47662477. The next prime is 47662493. The reversal of 47662481 is 18426674.

47662481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 21242881 = 5140^2 + 4609^2 .

It is a cyclic number.

It is not a de Polignac number, because 47662481 - 2² = 47662477 is a prime.

It is a super-2 number, since 2×47662481² = 4543424190150722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47662421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23831240 + 23831241.

It is an arithmetic number, because the mean of its divisors is an integer number (23831241).

Almost surely, 2^47662481 is an apocalyptic number.

It is an amenable number.

47662481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47662481 is an equidigital number, since it uses as much as digits as its factorization.

47662481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 47662481 is about 6903.8019235781. The cubic root of 47662481 is about 362.5702909274.

The spelling of 47662481 in words is "forty-seven million, six hundred sixty-two thousand, four hundred eighty-one".