1530206 has 4 divisors (see below), whose sum is σ = 2295312. Its totient is φ = 765102.

The previous prime is 1530197. The next prime is 1530227. The reversal of 1530206 is 6020351.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 382550 + ... + 382553.

It is an arithmetic number, because the mean of its divisors is an integer number (573828).

2^1530206 is an apocalyptic number.

1530206 is a deficient number, since it is larger than the sum of its proper divisors (765106).

1530206 is an equidigital number, since it uses as much as digits as its factorization.

1530206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765105.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1530206 is about 1237.0149554472. The cubic root of 1530206 is about 115.2347065407.

Adding to 1530206 its reverse (6020351), we get a palindrome (7550557).

The spelling of 1530206 in words is "one million, five hundred thirty thousand, two hundred six".