97851071 has 2 divisors, whose sum is σ = 97851072. Its totient is φ = 97851070.

The previous prime is 97851043. The next prime is 97851073. The reversal of 97851071 is 17015879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97851071 - 2¹⁰ = 97850047 is a prime.

Together with 97851073, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_5644892 and since 97851071 and 5644892 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97851073) 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, 48925535 + 48925536.

It is an arithmetic number, because the mean of its divisors is an integer number (48925536).

Almost surely, 2^97851071 is an apocalyptic number.

97851071 is a deficient number, since it is larger than the sum of its proper divisors (1).

97851071 is an equidigital number, since it uses as much as digits as its factorization.

97851071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 97851071 is about 9891.9700262385. The cubic root of 97851071 is about 460.8099639747.

The spelling of 97851071 in words is "ninety-seven million, eight hundred fifty-one thousand, seventy-one".