97861271 has 2 divisors, whose sum is σ = 97861272. Its totient is φ = 97861270.

The previous prime is 97861241. The next prime is 97861279. The reversal of 97861271 is 17216879.

It is a strong prime.

It is an emirp because it is prime and its reverse (17216879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97861271 - 2⁶ = 97861207 is a prime.

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 (97861279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48930635 + 48930636.

It is an arithmetic number, because the mean of its divisors is an integer number (48930636).

Almost surely, 2^97861271 is an apocalyptic number.

97861271 is a deficient number, since it is larger than the sum of its proper divisors (1).

97861271 is an equidigital number, since it uses as much as digits as its factorization.

97861271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The square root of 97861271 is about 9892.4855825015. The cubic root of 97861271 is about 460.8259750355.

The spelling of 97861271 in words is "ninety-seven million, eight hundred sixty-one thousand, two hundred seventy-one".