611341613 has 4 divisors (see below), whose sum is σ = 611637468. Its totient is φ = 611045760.

The previous prime is 611341609. The next prime is 611341637. The reversal of 611341613 is 316143116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 491154244 + 120187369 = 22162^2 + 10963^2 .

It is a cyclic number.

It is not a de Polignac number, because 611341613 - 2² = 611341609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611371613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144806 + ... + 148967.

It is an arithmetic number, because the mean of its divisors is an integer number (152909367).

Almost surely, 2^611341613 is an apocalyptic number.

It is an amenable number.

611341613 is a deficient number, since it is larger than the sum of its proper divisors (295855).

611341613 is a wasteful number, since it uses less digits than its factorization.

611341613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295854.

The product of its digits is 1296, while the sum is 26.

The square root of 611341613 is about 24725.3233143674. The cubic root of 611341613 is about 848.7139088117.

Adding to 611341613 its reverse (316143116), we get a palindrome (927484729).

The spelling of 611341613 in words is "six hundred eleven million, three hundred forty-one thousand, six hundred thirteen".