1725288265 has 16 divisors (see below), whose sum is σ = 2208146832. Its totient is φ = 1289549824.

The previous prime is 1725288251. The next prime is 1725288283. The reversal of 1725288265 is 5628825271.

It can be written as a sum of positive squares in 8 ways, for example, as 126967824 + 1598320441 = 11268^2 + 39979^2 .

It is not a de Polignac number, because 1725288265 - 2⁵ = 1725288233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62434 + ... + 85723.

It is an arithmetic number, because the mean of its divisors is an integer number (138009177).

Almost surely, 2^1725288265 is an apocalyptic number.

It is an amenable number.

1725288265 is a deficient number, since it is larger than the sum of its proper divisors (482858567).

1725288265 is a wasteful number, since it uses less digits than its factorization.

1725288265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148316.

The product of its digits is 537600, while the sum is 46.

The square root of 1725288265 is about 41536.5894724158. The cubic root of 1725288265 is about 1199.3719549216.

The spelling of 1725288265 in words is "one billion, seven hundred twenty-five million, two hundred eighty-eight thousand, two hundred sixty-five".