1530855 has 12 divisors (see below), whose sum is σ = 2653560. Its totient is φ = 816432.

The previous prime is 1530853. The next prime is 1530863. The reversal of 1530855 is 5580351.

It is not a de Polignac number, because 1530855 - 2¹ = 1530853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16965 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

2^1530855 is an apocalyptic number.

1530855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1530855 is a deficient number, since it is larger than the sum of its proper divisors (1122705).

1530855 is a wasteful number, since it uses less digits than its factorization.

1530855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34030 (or 34027 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1530855 is about 1237.2772526803. The cubic root of 1530855 is about 115.2509955793.

The spelling of 1530855 in words is "one million, five hundred thirty thousand, eight hundred fifty-five".