1506256 has 20 divisors (see below), whose sum is σ = 2981952. Its totient is φ = 736736.

The previous prime is 1506229. The next prime is 1506257. The reversal of 1506256 is 6526051.

It is a self number, because there is not a number n which added to its sum of digits gives 1506256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506257) 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 3 ways as a sum of consecutive naturals, for example, 250 + ... + 1753.

2^1506256 is an apocalyptic number.

1506256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1506256 is a deficient number, since it is larger than the sum of its proper divisors (1475696).

1506256 is a wasteful number, since it uses less digits than its factorization.

1506256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1506256 is about 1227.2962152635. The cubic root of 1506256 is about 114.6303442434.

The spelling of 1506256 in words is "one million, five hundred six thousand, two hundred fifty-six".