272613213 has 6 divisors (see below), whose sum is σ = 393774654. Its totient is φ = 181742136.

The previous prime is 272613203. The next prime is 272613239. The reversal of 272613213 is 312316272.

272613213 is a `hidden beast` number, since 27 + 2 + 613 + 21 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138933369 + 133679844 = 11787^2 + 11562^2 .

It is not a de Polignac number, because 272613213 - 2⁸ = 272612957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272613203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15145170 + ... + 15145187.

It is an arithmetic number, because the mean of its divisors is an integer number (65629109).

Almost surely, 2^272613213 is an apocalyptic number.

It is an amenable number.

272613213 is a deficient number, since it is larger than the sum of its proper divisors (121161441).

272613213 is a wasteful number, since it uses less digits than its factorization.

272613213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290363 (or 30290360 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 272613213 is about 16511.0027860212. The cubic root of 272613213 is about 648.4088997301.

Adding to 272613213 its reverse (312316272), we get a palindrome (584929485).

The spelling of 272613213 in words is "two hundred seventy-two million, six hundred thirteen thousand, two hundred thirteen".