275078497 has 2 divisors, whose sum is σ = 275078498. Its totient is φ = 275078496.

The previous prime is 275078443. The next prime is 275078501. The reversal of 275078497 is 794870572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274763776 + 314721 = 16576^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 275078497 - 2¹⁹ = 274554209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275078497.

It is not a weakly prime, because it can be changed into another prime (275078417) 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, 137539248 + 137539249.

It is an arithmetic number, because the mean of its divisors is an integer number (137539249).

Almost surely, 2^275078497 is an apocalyptic number.

It is an amenable number.

275078497 is a deficient number, since it is larger than the sum of its proper divisors (1).

275078497 is an equidigital number, since it uses as much as digits as its factorization.

275078497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 275078497 is about 16585.4905565075. The cubic root of 275078497 is about 650.3575917981.

The spelling of 275078497 in words is "two hundred seventy-five million, seventy-eight thousand, four hundred ninety-seven".