6601013 has 2 divisors, whose sum is σ = 6601014. Its totient is φ = 6601012.

The previous prime is 6600989. The next prime is 6601019. The reversal of 6601013 is 3101066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4635409 + 1965604 = 2153^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 6601013 - 2⁶ = 6600949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6600982 and 6601000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6601019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300506 + 3300507.

It is an arithmetic number, because the mean of its divisors is an integer number (3300507).

Almost surely, 2^6601013 is an apocalyptic number.

It is an amenable number.

6601013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6601013 is an equidigital number, since it uses as much as digits as its factorization.

6601013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 6601013 is about 2569.2436630261. The cubic root of 6601013 is about 187.5873418264.

Adding to 6601013 its reverse (3101066), we get a palindrome (9702079).

The spelling of 6601013 in words is "six million, six hundred one thousand, thirteen".