97071229 has 2 divisors, whose sum is σ = 97071230. Its totient is φ = 97071228.

The previous prime is 97071197. The next prime is 97071257. The reversal of 97071229 is 92217079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91642329 + 5428900 = 9573^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 97071229 - 2⁵ = 97071197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97071259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48535614 + 48535615.

It is an arithmetic number, because the mean of its divisors is an integer number (48535615).

Almost surely, 2^97071229 is an apocalyptic number.

It is an amenable number.

97071229 is a deficient number, since it is larger than the sum of its proper divisors (1).

97071229 is an equidigital number, since it uses as much as digits as its factorization.

97071229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 97071229 is about 9852.4732427954. The cubic root of 97071229 is about 459.5825276654.

The spelling of 97071229 in words is "ninety-seven million, seventy-one thousand, two hundred twenty-nine".