1530219 has 4 divisors (see below), whose sum is σ = 2040296. Its totient is φ = 1020144.

The previous prime is 1530197. The next prime is 1530227. The reversal of 1530219 is 9120351.

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

It is not a de Polignac number, because 1530219 - 2⁷ = 1530091 is a prime.

It is a super-2 number, since 2×1530219² = 4683140375922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1530195 and 1530204.

It is not an unprimeable number, because it can be changed into a prime (1530229) 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, 255034 + ... + 255039.

It is an arithmetic number, because the mean of its divisors is an integer number (510074).

2^1530219 is an apocalyptic number.

1530219 is a deficient number, since it is larger than the sum of its proper divisors (510077).

1530219 is an equidigital number, since it uses as much as digits as its factorization.

1530219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510076.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1530219 is about 1237.0202100208. The cubic root of 1530219 is about 115.2350328686.

The spelling of 1530219 in words is "one million, five hundred thirty thousand, two hundred nineteen".