97980229 has 2 divisors, whose sum is σ = 97980230. Its totient is φ = 97980228.

The previous prime is 97980203. The next prime is 97980257. The reversal of 97980229 is 92208979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 504100 = 9873^2 + 710^2 .

It is an emirp because it is prime and its reverse (92208979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97980229 - 2²⁵ = 64425797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97980269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48990114 + 48990115.

It is an arithmetic number, because the mean of its divisors is an integer number (48990115).

Almost surely, 2^97980229 is an apocalyptic number.

It is an amenable number.

97980229 is a deficient number, since it is larger than the sum of its proper divisors (1).

97980229 is an equidigital number, since it uses as much as digits as its factorization.

97980229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 97980229 is about 9898.4962999437. The cubic root of 97980229 is about 461.0126227206.

The spelling of 97980229 in words is "ninety-seven million, nine hundred eighty thousand, two hundred twenty-nine".