2655571 has 2 divisors, whose sum is σ = 2655572. Its totient is φ = 2655570.

The previous prime is 2655563. The next prime is 2655577. The reversal of 2655571 is 1755562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2655571 - 2³ = 2655563 is a prime.

It is equal to p₁₉₃₆₃₉ and since 2655571 and 193639 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2655577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327785 + 1327786.

It is an arithmetic number, because the mean of its divisors is an integer number (1327786).

2^2655571 is an apocalyptic number.

2655571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655571 is an equidigital number, since it uses as much as digits as its factorization.

2655571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 2655571 is about 1629.5922802959. The cubic root of 2655571 is about 138.4796548549.

Subtracting from 2655571 its reverse (1755562), we obtain a palindrome (900009).

The spelling of 2655571 in words is "two million, six hundred fifty-five thousand, five hundred seventy-one".