1725725 has 6 divisors (see below), whose sum is σ = 2139930. Its totient is φ = 1380560.

The previous prime is 1725707. The next prime is 1725743. The reversal of 1725725 is 5275271.

It is an interprime number because it is at equal distance from previous prime (1725707) and next prime (1725743).

It can be written as a sum of positive squares in 3 ways, for example, as 33124 + 1692601 = 182^2 + 1301^2 .

It is not a de Polignac number, because 1725725 - 2⁸ = 1725469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 34490 + ... + 34539.

It is an arithmetic number, because the mean of its divisors is an integer number (356655).

2^1725725 is an apocalyptic number.

It is an amenable number.

1725725 is a deficient number, since it is larger than the sum of its proper divisors (414205).

1725725 is an equidigital number, since it uses as much as digits as its factorization.

1725725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69039 (or 69034 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 1725725 is about 1313.6685274452. The cubic root of 1725725 is about 119.9473148353.

The spelling of 1725725 in words is "one million, seven hundred twenty-five thousand, seven hundred twenty-five".