47251571 has 2 divisors, whose sum is σ = 47251572. Its totient is φ = 47251570.

The previous prime is 47251541. The next prime is 47251573. The reversal of 47251571 is 17515274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47251571 - 2¹⁰ = 47250547 is a prime.

Together with 47251573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47251573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23625785 + 23625786.

It is an arithmetic number, because the mean of its divisors is an integer number (23625786).

Almost surely, 2^47251571 is an apocalyptic number.

47251571 is a deficient number, since it is larger than the sum of its proper divisors (1).

47251571 is an equidigital number, since it uses as much as digits as its factorization.

47251571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 32.

The square root of 47251571 is about 6873.9778149191. The cubic root of 47251571 is about 361.5253462840.

The spelling of 47251571 in words is "forty-seven million, two hundred fifty-one thousand, five hundred seventy-one".