97209433 has 2 divisors, whose sum is σ = 97209434. Its totient is φ = 97209432.

The previous prime is 97209407. The next prime is 97209461. The reversal of 97209433 is 33490279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 34609689 = 7912^2 + 5883^2 .

It is an emirp because it is prime and its reverse (33490279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97209433 - 2¹⁷ = 97078361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97209392 and 97209401.

It is not a weakly prime, because it can be changed into another prime (97209733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48604716 + 48604717.

It is an arithmetic number, because the mean of its divisors is an integer number (48604717).

Almost surely, 2^97209433 is an apocalyptic number.

It is an amenable number.

97209433 is a deficient number, since it is larger than the sum of its proper divisors (1).

97209433 is an equidigital number, since it uses as much as digits as its factorization.

97209433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 97209433 is about 9859.4844185688. The cubic root of 97209433 is about 459.8005326111.

The spelling of 97209433 in words is "ninety-seven million, two hundred nine thousand, four hundred thirty-three".