613271297 has 2 divisors, whose sum is σ = 613271298. Its totient is φ = 613271296.

The previous prime is 613271279. The next prime is 613271299. The reversal of 613271297 is 792172316.

Together with previous prime (613271279) 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., 562448656 + 50822641 = 23716^2 + 7129^2 .

It is a cyclic number.

It is not a de Polignac number, because 613271297 - 2¹⁴ = 613254913 is a prime.

It is a super-2 number, since 2×613271297² = 752203367448124418, which contains 22 as substring.

Together with 613271299, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613271297.

It is not a weakly prime, because it can be changed into another prime (613271299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306635648 + 306635649.

It is an arithmetic number, because the mean of its divisors is an integer number (306635649).

Almost surely, 2^613271297 is an apocalyptic number.

It is an amenable number.

613271297 is a deficient number, since it is larger than the sum of its proper divisors (1).

613271297 is an equidigital number, since it uses as much as digits as its factorization.

613271297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 613271297 is about 24764.3149915357. The cubic root of 613271297 is about 849.6059520706.

The spelling of 613271297 in words is "six hundred thirteen million, two hundred seventy-one thousand, two hundred ninety-seven".