97609 has 2 divisors, whose sum is σ = 97610. Its totient is φ = 97608.

The previous prime is 97607. The next prime is 97613. The reversal of 97609 is 90679.

97609 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 16384 = 285^2 + 128^2 .

It is an emirp because it is prime and its reverse (90679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97609 - 2¹ = 97607 is a prime.

Together with 97607, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48804 + 48805.

It is an arithmetic number, because the mean of its divisors is an integer number (48805).

2⁹⁷⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

97609 is a deficient number, since it is larger than the sum of its proper divisors (1).

97609 is an equidigital number, since it uses as much as digits as its factorization.

97609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 97609 is about 312.4243908532. The cubic root of 97609 is about 46.0429655274.

The spelling of 97609 in words is "ninety-seven thousand, six hundred nine".