613270349 has 2 divisors, whose sum is σ = 613270350. Its totient is φ = 613270348.

The previous prime is 613270319. The next prime is 613270351. The reversal of 613270349 is 943072316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470109124 + 143161225 = 21682^2 + 11965^2 .

It is a cyclic number.

It is not a de Polignac number, because 613270349 - 2⁸ = 613270093 is a prime.

It is a super-2 number, since 2×613270349² = 752201041925163602, which contains 22 as substring.

Together with 613270351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613270319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306635174 + 306635175.

It is an arithmetic number, because the mean of its divisors is an integer number (306635175).

Almost surely, 2^613270349 is an apocalyptic number.

It is an amenable number.

613270349 is a deficient number, since it is larger than the sum of its proper divisors (1).

613270349 is an equidigital number, since it uses as much as digits as its factorization.

613270349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 613270349 is about 24764.2958510837. The cubic root of 613270349 is about 849.6055142944.

The spelling of 613270349 in words is "six hundred thirteen million, two hundred seventy thousand, three hundred forty-nine".