1506530 has 16 divisors (see below), whose sum is σ = 2747520. Its totient is φ = 594672.

The previous prime is 1506511. The next prime is 1506551. The reversal of 1506530 is 356051.

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 in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^1506530 is an apocalyptic number.

1506530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1506530 is a deficient number, since it is larger than the sum of its proper divisors (1240990).

1506530 is a wasteful number, since it uses less digits than its factorization.

1506530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1506530 is about 1227.4078376807. The cubic root of 1506530 is about 114.6372945471.

The spelling of 1506530 in words is "one million, five hundred six thousand, five hundred thirty".