97280329 has 2 divisors, whose sum is σ = 97280330. Its totient is φ = 97280328.

The previous prime is 97280327. The next prime is 97280333. The reversal of 97280329 is 92308279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88736400 + 8543929 = 9420^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 97280329 - 2¹ = 97280327 is a prime.

Together with 97280327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 97280291 and 97280300.

It is not a weakly prime, because it can be changed into another prime (97280327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48640164 + 48640165.

It is an arithmetic number, because the mean of its divisors is an integer number (48640165).

Almost surely, 2^97280329 is an apocalyptic number.

It is an amenable number.

97280329 is a deficient number, since it is larger than the sum of its proper divisors (1).

97280329 is an equidigital number, since it uses as much as digits as its factorization.

97280329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 97280329 is about 9863.0790831261. The cubic root of 97280329 is about 459.9122847874.

The spelling of 97280329 in words is "ninety-seven million, two hundred eighty thousand, three hundred twenty-nine".