97571 has 2 divisors, whose sum is σ = 97572. Its totient is φ = 97570.

The previous prime is 97561. The next prime is 97577. The reversal of 97571 is 17579.

It is a strong prime.

It is an emirp because it is prime and its reverse (17579) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97571 is a prime.

It is not a weakly prime, because it can be changed into another prime (97577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48785 + 48786.

It is an arithmetic number, because the mean of its divisors is an integer number (48786).

2⁹⁷⁵⁷¹ is an apocalyptic number.

97571 is a deficient number, since it is larger than the sum of its proper divisors (1).

97571 is an equidigital number, since it uses as much as digits as its factorization.

97571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205, while the sum is 29.

The square root of 97571 is about 312.3635702191. The cubic root of 97571 is about 46.0369897813.

The spelling of 97571 in words is "ninety-seven thousand, five hundred seventy-one".