275455513 has 2 divisors, whose sum is σ = 275455514. Its totient is φ = 275455512.

The previous prime is 275455489. The next prime is 275455517. The reversal of 275455513 is 315554572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185831424 + 89624089 = 13632^2 + 9467^2 .

It is a cyclic number.

It is not a de Polignac number, because 275455513 - 2⁹ = 275455001 is a prime.

It is not a weakly prime, because it can be changed into another prime (275455517) 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, 137727756 + 137727757.

It is an arithmetic number, because the mean of its divisors is an integer number (137727757).

Almost surely, 2^275455513 is an apocalyptic number.

It is an amenable number.

275455513 is a deficient number, since it is larger than the sum of its proper divisors (1).

275455513 is an equidigital number, since it uses as much as digits as its factorization.

275455513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 37.

The square root of 275455513 is about 16596.8525028091. The cubic root of 275455513 is about 650.6545776720.

The spelling of 275455513 in words is "two hundred seventy-five million, four hundred fifty-five thousand, five hundred thirteen".