6612601 has 2 divisors, whose sum is σ = 6612602. Its totient is φ = 6612600.

The previous prime is 6612581. The next prime is 6612607. The reversal of 6612601 is 1062166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 561001 = 2460^2 + 749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6612601 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6612607) 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 as a sum of consecutive naturals, namely, 3306300 + 3306301.

It is an arithmetic number, because the mean of its divisors is an integer number (3306301).

Almost surely, 2^6612601 is an apocalyptic number.

It is an amenable number.

6612601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6612601 is an equidigital number, since it uses as much as digits as its factorization.

6612601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6612601 is about 2571.4978125598. The cubic root of 6612601 is about 187.6970467738.

Adding to 6612601 its reverse (1062166), we get a palindrome (7674767).

The spelling of 6612601 in words is "six million, six hundred twelve thousand, six hundred one".