2645219 has 2 divisors, whose sum is σ = 2645220. Its totient is φ = 2645218.

The previous prime is 2645213. The next prime is 2645221. The reversal of 2645219 is 9125462.

It is a happy number.

2645219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2645219 - 2¹² = 2641123 is a prime.

It is a super-2 number, since 2×2645219² = 13994367115922, which contains 22 as substring.

Together with 2645221, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²⁰ + 6³ + 4⁷ + 5² + 2²⁰ + 1 + 9⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2645191 and 2645200.

It is not a weakly prime, because it can be changed into another prime (2645213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322609 + 1322610.

It is an arithmetic number, because the mean of its divisors is an integer number (1322610).

2^2645219 is an apocalyptic number.

2645219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645219 is an equidigital number, since it uses as much as digits as its factorization.

2645219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 2645219 is about 1626.4129241985. The cubic root of 2645219 is about 138.2994791432.

The spelling of 2645219 in words is "two million, six hundred forty-five thousand, two hundred nineteen".