1535506 has 16 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 647856.

The previous prime is 1535497. The next prime is 1535507. The reversal of 1535506 is 6055351.

It is not an unprimeable number, because it can be changed into a prime (1535507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^1535506 is an apocalyptic number.

1535506 is a deficient number, since it is larger than the sum of its proper divisors (1137710).

1535506 is a wasteful number, since it uses less digits than its factorization.

1535506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1535506 is about 1239.1553574915. The cubic root of 1535506 is about 115.3675950051.

The spelling of 1535506 in words is "one million, five hundred thirty-five thousand, five hundred six".