276566063 has 2 divisors, whose sum is σ = 276566064. Its totient is φ = 276566062.

The previous prime is 276566051. The next prime is 276566089. The reversal of 276566063 is 360665672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276566063 - 2¹⁰ = 276565039 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276566063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276566023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138283031 + 138283032.

It is an arithmetic number, because the mean of its divisors is an integer number (138283032).

Almost surely, 2^276566063 is an apocalyptic number.

276566063 is a deficient number, since it is larger than the sum of its proper divisors (1).

276566063 is an equidigital number, since it uses as much as digits as its factorization.

276566063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 276566063 is about 16630.2754938095. The cubic root of 276566063 is about 651.5278167235.

The spelling of 276566063 in words is "two hundred seventy-six million, five hundred sixty-six thousand, sixty-three".