6679553 has 2 divisors, whose sum is σ = 6679554. Its totient is φ = 6679552.

The previous prime is 6679531. The next prime is 6679571. The reversal of 6679553 is 3559766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3356224 + 3323329 = 1832^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 6679553 - 2¹⁶ = 6614017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6679553.

It is not a weakly prime, because it can be changed into another prime (6679513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339776 + 3339777.

It is an arithmetic number, because the mean of its divisors is an integer number (3339777).

Almost surely, 2^6679553 is an apocalyptic number.

It is an amenable number.

6679553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6679553 is an equidigital number, since it uses as much as digits as its factorization.

6679553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 41.

The square root of 6679553 is about 2584.4831204711. The cubic root of 6679553 is about 188.3283927664.

The spelling of 6679553 in words is "six million, six hundred seventy-nine thousand, five hundred fifty-three".