1725944225 has 6 divisors (see below), whose sum is σ = 2140170870. Its totient is φ = 1380755360.

The previous prime is 1725944179. The next prime is 1725944237. The reversal of 1725944225 is 5224495271.

It can be written as a sum of positive squares in 3 ways, for example, as 52070656 + 1673873569 = 7216^2 + 40913^2 .

It is not a de Polignac number, because 1725944225 - 2⁶ = 1725944161 is a prime.

It is a super-3 number, since 3×1725944225³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34518860 + ... + 34518909.

It is an arithmetic number, because the mean of its divisors is an integer number (356695145).

Almost surely, 2^1725944225 is an apocalyptic number.

It is an amenable number.

1725944225 is a deficient number, since it is larger than the sum of its proper divisors (414226645).

1725944225 is an equidigital number, since it uses as much as digits as its factorization.

1725944225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69037779 (or 69037774 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 1725944225 is about 41544.4848927027. The cubic root of 1725944225 is about 1199.5239373193.

The spelling of 1725944225 in words is "one billion, seven hundred twenty-five million, nine hundred forty-four thousand, two hundred twenty-five".