1725256 has 32 divisors (see below), whose sum is σ = 3560760. Its totient is φ = 778752.

The previous prime is 1725247. The next prime is 1725259. The reversal of 1725256 is 6525271.

It can be written as a sum of positive squares in 4 ways, for example, as 792100 + 933156 = 890^2 + 966^2 .

It is not an unprimeable number, because it can be changed into a prime (1725259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356 + ... + 5668.

2^1725256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1725256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780380).

1725256 is an abundant number, since it is smaller than the sum of its proper divisors (1835504).

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

1725256 is a wasteful number, since it uses less digits than its factorization.

1725256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 381 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 1725256 is about 1313.4900075752. The cubic root of 1725256 is about 119.9364478301.

The spelling of 1725256 in words is "one million, seven hundred twenty-five thousand, two hundred fifty-six".