1725272889 has 16 divisors (see below), whose sum is σ = 2363761728. Its totient is φ = 1118515392.

The previous prime is 1725272881. The next prime is 1725272891. The reversal of 1725272889 is 9882725271.

It is not a de Polignac number, because 1725272889 - 2³ = 1725272881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1725272881) 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 15 ways as a sum of consecutive naturals, for example, 351319 + ... + 356195.

It is an arithmetic number, because the mean of its divisors is an integer number (147735108).

Almost surely, 2^1725272889 is an apocalyptic number.

It is an amenable number.

1725272889 is a deficient number, since it is larger than the sum of its proper divisors (638488839).

1725272889 is a wasteful number, since it uses less digits than its factorization.

1725272889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its digits is 1128960, while the sum is 51.

The square root of 1725272889 is about 41536.4043821802. The cubic root of 1725272889 is about 1199.3683919232.

The spelling of 1725272889 in words is "one billion, seven hundred twenty-five million, two hundred seventy-two thousand, eight hundred eighty-nine".