1723025 has 12 divisors (see below), whose sum is σ = 2189964. Its totient is φ = 1344800.

The previous prime is 1723003. The next prime is 1723027. The reversal of 1723025 is 5203271.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1661521 + 61504 = 1289^2 + 248^2 .

It is not a de Polignac number, because 1723025 - 2¹² = 1718929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1722988 and 1723006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1723027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42005 + ... + 42045.

It is an arithmetic number, because the mean of its divisors is an integer number (182497).

2^1723025 is an apocalyptic number.

It is an amenable number.

1723025 is a deficient number, since it is larger than the sum of its proper divisors (466939).

1723025 is an frugal number, since it uses more digits than its factorization.

1723025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1723025 is about 1312.6404686737. The cubic root of 1723025 is about 119.8847272667.

Adding to 1723025 its reverse (5203271), we get a palindrome (6926296).

The spelling of 1723025 in words is "one million, seven hundred twenty-three thousand, twenty-five".