6225551 has 2 divisors, whose sum is σ = 6225552. Its totient is φ = 6225550.

The previous prime is 6225547. The next prime is 6225607. The reversal of 6225551 is 1555226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6225551 - 2² = 6225547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6225551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6225851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112775 + 3112776.

It is an arithmetic number, because the mean of its divisors is an integer number (3112776).

Almost surely, 2^6225551 is an apocalyptic number.

6225551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6225551 is an equidigital number, since it uses as much as digits as its factorization.

6225551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 26.

The square root of 6225551 is about 2495.1054085950. The cubic root of 6225551 is about 183.9610720263.

It can be divided in two parts, 6225 and 551, that added together give a palindrome (6776).

The spelling of 6225551 in words is "six million, two hundred twenty-five thousand, five hundred fifty-one".