727286513 has 2 divisors, whose sum is σ = 727286514. Its totient is φ = 727286512.

The previous prime is 727286509. The next prime is 727286531. The reversal of 727286513 is 315682727.

727286513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (727286531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389351824 + 337934689 = 19732^2 + 18383^2 .

It is a cyclic number.

It is not a de Polignac number, because 727286513 - 2² = 727286509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (727286533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363643256 + 363643257.

It is an arithmetic number, because the mean of its divisors is an integer number (363643257).

Almost surely, 2^727286513 is an apocalyptic number.

It is an amenable number.

727286513 is a deficient number, since it is larger than the sum of its proper divisors (1).

727286513 is an equidigital number, since it uses as much as digits as its factorization.

727286513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 727286513 is about 26968.2500915428. The cubic root of 727286513 is about 899.2943081270.

The spelling of 727286513 in words is "seven hundred twenty-seven million, two hundred eighty-six thousand, five hundred thirteen".