272240537 has 2 divisors, whose sum is σ = 272240538. Its totient is φ = 272240536.

The previous prime is 272240519. The next prime is 272240593. The reversal of 272240537 is 735042272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264517696 + 7722841 = 16264^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 272240537 - 2⁶ = 272240473 is a prime.

It is a super-2 number, since 2×272240537² = 148229819972096738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272240597) 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, 136120268 + 136120269.

It is an arithmetic number, because the mean of its divisors is an integer number (136120269).

Almost surely, 2^272240537 is an apocalyptic number.

It is an amenable number.

272240537 is a deficient number, since it is larger than the sum of its proper divisors (1).

272240537 is an equidigital number, since it uses as much as digits as its factorization.

272240537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 272240537 is about 16499.7132399324. The cubic root of 272240537 is about 648.1132957736.

The spelling of 272240537 in words is "two hundred seventy-two million, two hundred forty thousand, five hundred thirty-seven".