6602551 has 2 divisors, whose sum is σ = 6602552. Its totient is φ = 6602550.

The previous prime is 6602549. The next prime is 6602573. The reversal of 6602551 is 1552066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6602551 - 2¹ = 6602549 is a prime.

Together with 6602549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6602501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3301275 + 3301276.

It is an arithmetic number, because the mean of its divisors is an integer number (3301276).

Almost surely, 2^6602551 is an apocalyptic number.

6602551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6602551 is an equidigital number, since it uses as much as digits as its factorization.

6602551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 6602551 is about 2569.5429554689. The cubic root of 6602551 is about 187.6019096373.

The spelling of 6602551 in words is "six million, six hundred two thousand, five hundred fifty-one".