1725680133 has 40 divisors (see below), whose sum is σ = 2696398848. Its totient is φ = 1097797536.

The previous prime is 1725680113. The next prime is 1725680137. The reversal of 1725680133 is 3310865271.

It is not a de Polignac number, because 1725680133 - 2⁹ = 1725679621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725680137) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1036860 + ... + 1038522.

Almost surely, 2^1725680133 is an apocalyptic number.

It is an amenable number.

1725680133 is a deficient number, since it is larger than the sum of its proper divisors (970718715).

1725680133 is a wasteful number, since it uses less digits than its factorization.

1725680133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1725680133 is about 41541.3063468158. The cubic root of 1725680133 is about 1199.4627532575.

The spelling of 1725680133 in words is "one billion, seven hundred twenty-five million, six hundred eighty thousand, one hundred thirty-three".