47452871 has 2 divisors, whose sum is σ = 47452872. Its totient is φ = 47452870.

The previous prime is 47452859. The next prime is 47452877. The reversal of 47452871 is 17825474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47452871 - 2¹⁸ = 47190727 is a prime.

It is a super-2 number, since 2×47452871² = 4503549932285282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47452877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726435 + 23726436.

It is an arithmetic number, because the mean of its divisors is an integer number (23726436).

Almost surely, 2^47452871 is an apocalyptic number.

47452871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47452871 is an equidigital number, since it uses as much as digits as its factorization.

47452871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 38.

The square root of 47452871 is about 6888.6044305070. The cubic root of 47452871 is about 362.0380061436.

The spelling of 47452871 in words is "forty-seven million, four hundred fifty-two thousand, eight hundred seventy-one".