102297647 has 2 divisors, whose sum is σ = 102297648. Its totient is φ = 102297646.

The previous prime is 102297607. The next prime is 102297649. The reversal of 102297647 is 746792201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102297647 is a prime.

Together with 102297649, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102297647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102297649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51148823 + 51148824.

It is an arithmetic number, because the mean of its divisors is an integer number (51148824).

Almost surely, 2^102297647 is an apocalyptic number.

102297647 is a deficient number, since it is larger than the sum of its proper divisors (1).

102297647 is an equidigital number, since it uses as much as digits as its factorization.

102297647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 102297647 is about 10114.2299261980. The cubic root of 102297647 is about 467.6869101152.

The spelling of 102297647 in words is "one hundred two million, two hundred ninety-seven thousand, six hundred forty-seven".