1725689425 has 24 divisors (see below), whose sum is σ = 2240731584. Its totient is φ = 1315892160.

The previous prime is 1725689423. The next prime is 1725689429. The reversal of 1725689425 is 5249865271.

It is not a de Polignac number, because 1725689425 - 2¹ = 1725689423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1725689423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163354 + ... + 173596.

It is an arithmetic number, because the mean of its divisors is an integer number (93363816).

Almost surely, 2^1725689425 is an apocalyptic number.

It is an amenable number.

1725689425 is a deficient number, since it is larger than the sum of its proper divisors (515042159).

1725689425 is a wasteful number, since it uses less digits than its factorization.

1725689425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569 (or 10564 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 1725689425 is about 41541.4181871539. The cubic root of 1725689425 is about 1199.4649061068.

The spelling of 1725689425 in words is "one billion, seven hundred twenty-five million, six hundred eighty-nine thousand, four hundred twenty-five".