97835147 has 2 divisors, whose sum is σ = 97835148. Its totient is φ = 97835146.

The previous prime is 97835137. The next prime is 97835149. The reversal of 97835147 is 74153879.

It is a strong prime.

It is an emirp because it is prime and its reverse (74153879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97835147 - 2⁴ = 97835131 is a prime.

Together with 97835149, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97835098 and 97835107.

It is not a weakly prime, because it can be changed into another prime (97835149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48917573 + 48917574.

It is an arithmetic number, because the mean of its divisors is an integer number (48917574).

Almost surely, 2^97835147 is an apocalyptic number.

97835147 is a deficient number, since it is larger than the sum of its proper divisors (1).

97835147 is an equidigital number, since it uses as much as digits as its factorization.

97835147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 97835147 is about 9891.1650982076. The cubic root of 97835147 is about 460.7849656588.

The spelling of 97835147 in words is "ninety-seven million, eight hundred thirty-five thousand, one hundred forty-seven".