1530873 has 24 divisors (see below), whose sum is σ = 2383200. Its totient is φ = 970920.

The previous prime is 1530871. The next prime is 1530911. The reversal of 1530873 is 3780351.

It is not a de Polignac number, because 1530873 - 2¹ = 1530871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1530871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25918 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (99300).

2^1530873 is an apocalyptic number.

It is an amenable number.

1530873 is a deficient number, since it is larger than the sum of its proper divisors (852327).

1530873 is an equidigital number, since it uses as much as digits as its factorization.

1530873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1530873 is about 1237.2845266955. The cubic root of 1530873 is about 115.2514472898.

The spelling of 1530873 in words is "one million, five hundred thirty thousand, eight hundred seventy-three".