1725243 has 16 divisors (see below), whose sum is σ = 2558976. Its totient is φ = 1026720.

The previous prime is 1725233. The next prime is 1725247. The reversal of 1725243 is 3425271.

It is not a de Polignac number, because 1725243 - 2⁶ = 1725179 is a prime.

1725243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1725247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (159936).

2^1725243 is an apocalyptic number.

1725243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1725243 is a deficient number, since it is larger than the sum of its proper divisors (833733).

1725243 is a wasteful number, since it uses less digits than its factorization.

1725243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its digits is 1680, while the sum is 24.

The square root of 1725243 is about 1313.4850589177. The cubic root of 1725243 is about 119.9361465844.

The spelling of 1725243 in words is "one million, seven hundred twenty-five thousand, two hundred forty-three".