2655019 has 4 divisors (see below), whose sum is σ = 2658600. Its totient is φ = 2651440.

The previous prime is 2655017. The next prime is 2655047. The reversal of 2655019 is 9105562.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2655019 - 2¹ = 2655017 is a prime.

It is a super-2 number, since 2×2655019² = 14098251780722, which contains 22 as substring.

It is a Duffinian number.

2655019 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2655017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (664650).

2^2655019 is an apocalyptic number.

2655019 is a deficient number, since it is larger than the sum of its proper divisors (3581).

2655019 is a wasteful number, since it uses less digits than its factorization.

2655019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2655019 is about 1629.4229039755. The cubic root of 2655019 is about 138.4700591702.

It can be divided in two parts, 26550 and 19, that added together give a square (26569 = 163²).

The spelling of 2655019 in words is "two million, six hundred fifty-five thousand, nineteen".