47137471 has 2 divisors, whose sum is σ = 47137472. Its totient is φ = 47137470.

The previous prime is 47137451. The next prime is 47137477. The reversal of 47137471 is 17473174.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47137471 - 2⁵ = 47137439 is a prime.

It is a super-3 number, since 3×47137471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47137477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23568735 + 23568736.

It is an arithmetic number, because the mean of its divisors is an integer number (23568736).

Almost surely, 2^47137471 is an apocalyptic number.

47137471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47137471 is an equidigital number, since it uses as much as digits as its factorization.

47137471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 34.

The square root of 47137471 is about 6865.6733828518. The cubic root of 47137471 is about 361.2341158312.

The spelling of 47137471 in words is "forty-seven million, one hundred thirty-seven thousand, four hundred seventy-one".