17272530625 has 45 divisors (see below), whose sum is σ = 25141109301. Its totient is φ = 11828250000.

The previous prime is 17272530623. The next prime is 17272530647. The reversal of 17272530625 is 52603527271.

The square root of 17272530625 is 131425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1354166401 + 15918364224 = 36799^2 + 126168^2 .

It is not a de Polignac number, because 17272530625 - 2¹ = 17272530623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17272530623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 22999000 + ... + 22999750.

Almost surely, 2^17272530625 is an apocalyptic number.

17272530625 is the 131425-th square number.

17272530625 is the 65713-rd centered octagonal number.

It is an amenable number.

17272530625 is a deficient number, since it is larger than the sum of its proper divisors (7868578676).

17272530625 is an frugal number, since it uses more digits than its factorization.

17272530625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

It can be divided in two parts, 1727 and 2530625, that added together give a palindrome (2532352).

The spelling of 17272530625 in words is "seventeen billion, two hundred seventy-two million, five hundred thirty thousand, six hundred twenty-five".