272141521 has 2 divisors, whose sum is σ = 272141522. Its totient is φ = 272141520.

The previous prime is 272141489. The next prime is 272141531. The reversal of 272141521 is 125141272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245360896 + 26780625 = 15664^2 + 5175^2 .

It is a cyclic number.

It is not a de Polignac number, because 272141521 - 2⁵ = 272141489 is a prime.

It is a super-2 number, since 2×272141521² = 148122014904386882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272141531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136070760 + 136070761.

It is an arithmetic number, because the mean of its divisors is an integer number (136070761).

Almost surely, 2^272141521 is an apocalyptic number.

It is an amenable number.

272141521 is a deficient number, since it is larger than the sum of its proper divisors (1).

272141521 is an equidigital number, since it uses as much as digits as its factorization.

272141521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 272141521 is about 16496.7124300571. The cubic root of 272141521 is about 648.0347116306.

Adding to 272141521 its reverse (125141272), we get a palindrome (397282793).

The spelling of 272141521 in words is "two hundred seventy-two million, one hundred forty-one thousand, five hundred twenty-one".