272217613 has 2 divisors, whose sum is σ = 272217614. Its totient is φ = 272217612.

The previous prime is 272217611. The next prime is 272217619. The reversal of 272217613 is 316712272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 11168964 = 16157^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 272217613 - 2¹ = 272217611 is a prime.

Together with 272217611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272217611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136108806 + 136108807.

It is an arithmetic number, because the mean of its divisors is an integer number (136108807).

Almost surely, 2^272217613 is an apocalyptic number.

It is an amenable number.

272217613 is a deficient number, since it is larger than the sum of its proper divisors (1).

272217613 is an equidigital number, since it uses as much as digits as its factorization.

272217613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 272217613 is about 16499.0185465682. The cubic root of 272217613 is about 648.0951038143.

Adding to 272217613 its reverse (316712272), we get a palindrome (588929885).

The spelling of 272217613 in words is "two hundred seventy-two million, two hundred seventeen thousand, six hundred thirteen".