1725961 has 2 divisors, whose sum is σ = 1725962. Its totient is φ = 1725960.

The previous prime is 1725953. The next prime is 1725967. The reversal of 1725961 is 1695271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 115600 = 1269^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1725961 - 2³ = 1725953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1725967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862980 + 862981.

It is an arithmetic number, because the mean of its divisors is an integer number (862981).

2^1725961 is an apocalyptic number.

It is an amenable number.

1725961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725961 is an equidigital number, since it uses as much as digits as its factorization.

1725961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 1725961 is about 1313.7583491647. The cubic root of 1725961 is about 119.9527823491.

The spelling of 1725961 in words is "one million, seven hundred twenty-five thousand, nine hundred sixty-one".