613134481 has 2 divisors, whose sum is σ = 613134482. Its totient is φ = 613134480.

The previous prime is 613134479. The next prime is 613134493. The reversal of 613134481 is 184431316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499924881 + 113209600 = 22359^2 + 10640^2 .

It is a cyclic number.

It is not a de Polignac number, because 613134481 - 2¹ = 613134479 is a prime.

It is a super-2 number, since 2×613134481² = 751867783582278722, which contains 22 as substring.

Together with 613134479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (613144481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306567240 + 306567241.

It is an arithmetic number, because the mean of its divisors is an integer number (306567241).

Almost surely, 2^613134481 is an apocalyptic number.

It is an amenable number.

613134481 is a deficient number, since it is larger than the sum of its proper divisors (1).

613134481 is an equidigital number, since it uses as much as digits as its factorization.

613134481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 613134481 is about 24761.5524755618. The cubic root of 613134481 is about 849.5427672378.

Adding to 613134481 its reverse (184431316), we get a palindrome (797565797).

The spelling of 613134481 in words is "six hundred thirteen million, one hundred thirty-four thousand, four hundred eighty-one".