1530345 has 8 divisors (see below), whose sum is σ = 2448576. Its totient is φ = 816176.

The previous prime is 1530343. The next prime is 1530349. The reversal of 1530345 is 5430351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1530345 - 2¹ = 1530343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1530343) 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 7 ways as a sum of consecutive naturals, for example, 50997 + ... + 51026.

It is an arithmetic number, because the mean of its divisors is an integer number (306072).

2^1530345 is an apocalyptic number.

1530345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530345 is a deficient number, since it is larger than the sum of its proper divisors (918231).

1530345 is a wasteful number, since it uses less digits than its factorization.

1530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102031.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1530345 is about 1237.0711378090. The cubic root of 1530345 is about 115.2381956437.

Adding to 1530345 its reverse (5430351), we get a palindrome (6960696).

The spelling of 1530345 in words is "one million, five hundred thirty thousand, three hundred forty-five".