47902271 has 2 divisors, whose sum is σ = 47902272. Its totient is φ = 47902270.

The previous prime is 47902247. The next prime is 47902273. The reversal of 47902271 is 17220974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47902271 - 2⁶ = 47902207 is a prime.

Together with 47902273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47902273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23951135 + 23951136.

It is an arithmetic number, because the mean of its divisors is an integer number (23951136).

Almost surely, 2^47902271 is an apocalyptic number.

47902271 is a deficient number, since it is larger than the sum of its proper divisors (1).

47902271 is an equidigital number, since it uses as much as digits as its factorization.

47902271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47902271 is about 6921.1466535539. The cubic root of 47902271 is about 363.1773046255.

The spelling of 47902271 in words is "forty-seven million, nine hundred two thousand, two hundred seventy-one".