319534097 has 2 divisors, whose sum is σ = 319534098. Its totient is φ = 319534096.

The previous prime is 319534079. The next prime is 319534099. The reversal of 319534097 is 790435913.

Together with previous prime (319534079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314317441 + 5216656 = 17729^2 + 2284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319534097 is a prime.

Together with 319534099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319534099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159767048 + 159767049.

It is an arithmetic number, because the mean of its divisors is an integer number (159767049).

Almost surely, 2^319534097 is an apocalyptic number.

It is an amenable number.

319534097 is a deficient number, since it is larger than the sum of its proper divisors (1).

319534097 is an equidigital number, since it uses as much as digits as its factorization.

319534097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 319534097 is about 17875.5166918330. The cubic root of 319534097 is about 683.6582662210.

The spelling of 319534097 in words is "three hundred nineteen million, five hundred thirty-four thousand, ninety-seven".