97209461 has 2 divisors, whose sum is σ = 97209462. Its totient is φ = 97209460.

The previous prime is 97209433. The next prime is 97209481. The reversal of 97209461 is 16490279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51051025 + 46158436 = 7145^2 + 6794^2 .

It is a cyclic number.

It is not a de Polignac number, because 97209461 - 2¹⁸ = 96947317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97209481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48604730 + 48604731.

It is an arithmetic number, because the mean of its divisors is an integer number (48604731).

Almost surely, 2^97209461 is an apocalyptic number.

It is an amenable number.

97209461 is a deficient number, since it is larger than the sum of its proper divisors (1).

97209461 is an equidigital number, since it uses as much as digits as its factorization.

97209461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 97209461 is about 9859.4858385212. The cubic root of 97209461 is about 459.8005767578.

The spelling of 97209461 in words is "ninety-seven million, two hundred nine thousand, four hundred sixty-one".