97271047 has 2 divisors, whose sum is σ = 97271048. Its totient is φ = 97271046.

The previous prime is 97271023. The next prime is 97271063. The reversal of 97271047 is 74017279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97271047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97270997 and 97271015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97271747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48635523 + 48635524.

It is an arithmetic number, because the mean of its divisors is an integer number (48635524).

Almost surely, 2^97271047 is an apocalyptic number.

97271047 is a deficient number, since it is larger than the sum of its proper divisors (1).

97271047 is an equidigital number, since it uses as much as digits as its factorization.

97271047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 97271047 is about 9862.6085291874. The cubic root of 97271047 is about 459.8976568160.

The spelling of 97271047 in words is "ninety-seven million, two hundred seventy-one thousand, forty-seven".