47127481 has 2 divisors, whose sum is σ = 47127482. Its totient is φ = 47127480.

The previous prime is 47127463. The next prime is 47127499. The reversal of 47127481 is 18472174.

It is a balanced prime because it is at equal distance from previous prime (47127463) and next prime (47127499).

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 7952400 = 6259^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 47127481 - 2⁹ = 47126969 is a prime.

It is a super-2 number, since 2×47127481² = 4441998930810722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47127181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23563740 + 23563741.

It is an arithmetic number, because the mean of its divisors is an integer number (23563741).

Almost surely, 2^47127481 is an apocalyptic number.

It is an amenable number.

47127481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47127481 is an equidigital number, since it uses as much as digits as its factorization.

47127481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 47127481 is about 6864.9458118764. The cubic root of 47127481 is about 361.2085948482.

The spelling of 47127481 in words is "forty-seven million, one hundred twenty-seven thousand, four hundred eighty-one".