275365487 has 2 divisors, whose sum is σ = 275365488. Its totient is φ = 275365486.

The previous prime is 275365483. The next prime is 275365561. The reversal of 275365487 is 784563572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275365487 - 2² = 275365483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275365483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137682743 + 137682744.

It is an arithmetic number, because the mean of its divisors is an integer number (137682744).

Almost surely, 2^275365487 is an apocalyptic number.

275365487 is a deficient number, since it is larger than the sum of its proper divisors (1).

275365487 is an equidigital number, since it uses as much as digits as its factorization.

275365487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 47.

The square root of 275365487 is about 16594.1401404231. The cubic root of 275365487 is about 650.5836863559.

The spelling of 275365487 in words is "two hundred seventy-five million, three hundred sixty-five thousand, four hundred eighty-seven".