1725261653425 has 24 divisors (see below), whose sum is σ = 2177045394552. Its totient is φ = 1355928384000.

The previous prime is 1725261653411. The next prime is 1725261653447. The reversal of 1725261653425 is 5243561625271.

It can be written as a sum of positive squares in 12 ways, for example, as 898309675264 + 826951978161 = 947792^2 + 909369^2 .

It is not a de Polignac number, because 1725261653425 - 2¹⁵ = 1725261620657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563037 + ... + 1941013.

It is an arithmetic number, because the mean of its divisors is an integer number (90710224773).

Almost surely, 2^{1725261653425} is an apocalyptic number.

It is an amenable number.

1725261653425 is a deficient number, since it is larger than the sum of its proper divisors (451783741127).

1725261653425 is a wasteful number, since it uses less digits than its factorization.

1725261653425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378869 (or 1378864 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 1725261653425 in words is "one trillion, seven hundred twenty-five billion, two hundred sixty-one million, six hundred fifty-three thousand, four hundred twenty-five".