272828513 has 4 divisors (see below), whose sum is σ = 274820100. Its totient is φ = 270836928.

The previous prime is 272828497. The next prime is 272828519. The reversal of 272828513 is 315828272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222815329 + 50013184 = 14927^2 + 7072^2 .

It is a cyclic number.

It is not a de Polignac number, because 272828513 - 2⁴ = 272828497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272828519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995588 + ... + 995861.

It is an arithmetic number, because the mean of its divisors is an integer number (68705025).

Almost surely, 2^272828513 is an apocalyptic number.

It is an amenable number.

272828513 is a deficient number, since it is larger than the sum of its proper divisors (1991587).

272828513 is a wasteful number, since it uses less digits than its factorization.

272828513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991586.

The product of its digits is 53760, while the sum is 38.

The square root of 272828513 is about 16517.5213939622. The cubic root of 272828513 is about 648.5795514014.

The spelling of 272828513 in words is "two hundred seventy-two million, eight hundred twenty-eight thousand, five hundred thirteen".