6613109 has 2 divisors, whose sum is σ = 6613110. Its totient is φ = 6613108.

The previous prime is 6613091. The next prime is 6613111. The reversal of 6613109 is 9013166.

Together with previous prime (6613091) 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., 6265009 + 348100 = 2503^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6613109 is a prime.

Together with 6613111, 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 (6613129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306554 + 3306555.

It is an arithmetic number, because the mean of its divisors is an integer number (3306555).

Almost surely, 2^6613109 is an apocalyptic number.

It is an amenable number.

6613109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6613109 is an equidigital number, since it uses as much as digits as its factorization.

6613109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 6613109 is about 2571.5965857809. The cubic root of 6613109 is about 187.7018531355.

The spelling of 6613109 in words is "six million, six hundred thirteen thousand, one hundred nine".