1725380417 has 4 divisors (see below), whose sum is σ = 1730928576. Its totient is φ = 1719832260.

The previous prime is 1725380401. The next prime is 1725380429. The reversal of 1725380417 is 7140835271.

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.

It is a cyclic number.

It is not a de Polignac number, because 1725380417 - 2⁴ = 1725380401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1725380617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773613 + ... + 2774234.

It is an arithmetic number, because the mean of its divisors is an integer number (432732144).

Almost surely, 2^1725380417 is an apocalyptic number.

It is an amenable number.

1725380417 is a deficient number, since it is larger than the sum of its proper divisors (5548159).

1725380417 is an equidigital number, since it uses as much as digits as its factorization.

1725380417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548158.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1725380417 is about 41537.6987446344. The cubic root of 1725380417 is about 1199.3933083690.

The spelling of 1725380417 in words is "one billion, seven hundred twenty-five million, three hundred eighty thousand, four hundred seventeen".