2528219 has 4 divisors (see below), whose sum is σ = 2538096. Its totient is φ = 2518344.

The previous prime is 2528167. The next prime is 2528221. The reversal of 2528219 is 9128252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2528219 - 2⁸ = 2527963 is a prime.

It is a super-2 number, since 2×2528219² = 12783782623922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2528191 and 2528200.

It is not an unprimeable number, because it can be changed into a prime (2528269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4544 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (634524).

2^2528219 is an apocalyptic number.

2528219 is a deficient number, since it is larger than the sum of its proper divisors (9877).

2528219 is an equidigital number, since it uses as much as digits as its factorization.

2528219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876.

The product of its digits is 2880, while the sum is 29.

The square root of 2528219 is about 1590.0374209433. The cubic root of 2528219 is about 136.2296257726.

The spelling of 2528219 in words is "two million, five hundred twenty-eight thousand, two hundred nineteen".