1725852356089 has 9 divisors (see below), whose sum is σ = 1821493788933. Its totient is φ = 1634994374652.

The previous prime is 1725852356077. The next prime is 1725852356171. The reversal of 1725852356089 is 9806532585271.

The square root of 1725852356089 is 1313717.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1725852356089 - 2⁷ = 1725852355961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1725852356009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24926052 + ... + 24995194.

Almost surely, 2^{1725852356089} is an apocalyptic number.

1725852356089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1725852356089 is the 1313717-th square number.

1725852356089 is the 656859-th centered octagonal number.

It is an amenable number.

1725852356089 is a deficient number, since it is larger than the sum of its proper divisors (95641432844).

1725852356089 is an frugal number, since it uses more digits than its factorization.

1725852356089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138324 (or 69162 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 61.

The spelling of 1725852356089 in words is "one trillion, seven hundred twenty-five billion, eight hundred fifty-two million, three hundred fifty-six thousand, eighty-nine".