1530256 has 40 divisors (see below), whose sum is σ = 3652544. Its totient is φ = 604800.

The previous prime is 1530233. The next prime is 1530281. The reversal of 1530256 is 6520351.

1530256 = T₁₃₆ + T₁₃₇ + ... + T₂₂₆.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 1981.

2^1530256 is an apocalyptic number.

1530256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826272).

1530256 is an abundant number, since it is smaller than the sum of its proper divisors (2122288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530256 is a wasteful number, since it uses less digits than its factorization.

1530256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1530256 is about 1237.0351652237. The cubic root of 1530256 is about 115.2359616380.

The spelling of 1530256 in words is "one million, five hundred thirty thousand, two hundred fifty-six".