47937481 has 2 divisors, whose sum is σ = 47937482. Its totient is φ = 47937480.

The previous prime is 47937479. The next prime is 47937503. The reversal of 47937481 is 18473974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 2496400 = 6741^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 47937481 - 2¹ = 47937479 is a prime.

It is a super-2 number, since 2×47937481² = 4596004169250722, which contains 22 as substring.

Together with 47937479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47937401) 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, 23968740 + 23968741.

It is an arithmetic number, because the mean of its divisors is an integer number (23968741).

Almost surely, 2^47937481 is an apocalyptic number.

It is an amenable number.

47937481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47937481 is an equidigital number, since it uses as much as digits as its factorization.

47937481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 47937481 is about 6923.6898399625. The cubic root of 47937481 is about 363.2662658989.

The spelling of 47937481 in words is "forty-seven million, nine hundred thirty-seven thousand, four hundred eighty-one".