1725461 has 4 divisors (see below), whose sum is σ = 1765632. Its totient is φ = 1685292.

The previous prime is 1725419. The next prime is 1725463. The reversal of 1725461 is 1645271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1645271 = 691 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 1725461 - 2¹⁴ = 1709077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1725461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20021 + ... + 20106.

It is an arithmetic number, because the mean of its divisors is an integer number (441408).

2^1725461 is an apocalyptic number.

It is an amenable number.

1725461 is a deficient number, since it is larger than the sum of its proper divisors (40171).

1725461 is an equidigital number, since it uses as much as digits as its factorization.

1725461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40170.

The product of its digits is 1680, while the sum is 26.

The square root of 1725461 is about 1313.5680416332. The cubic root of 1725461 is about 119.9411980426.

The spelling of 1725461 in words is "one million, seven hundred twenty-five thousand, four hundred sixty-one".