276563153 has 2 divisors, whose sum is σ = 276563154. Its totient is φ = 276563152.

The previous prime is 276563141. The next prime is 276563179. The reversal of 276563153 is 351365672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178810384 + 97752769 = 13372^2 + 9887^2 .

It is a cyclic number.

It is not a de Polignac number, because 276563153 - 2²⁴ = 259785937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (276563653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138281576 + 138281577.

It is an arithmetic number, because the mean of its divisors is an integer number (138281577).

Almost surely, 2^276563153 is an apocalyptic number.

It is an amenable number.

276563153 is a deficient number, since it is larger than the sum of its proper divisors (1).

276563153 is an equidigital number, since it uses as much as digits as its factorization.

276563153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 276563153 is about 16630.1880025453. The cubic root of 276563153 is about 651.5255316123.

The spelling of 276563153 in words is "two hundred seventy-six million, five hundred sixty-three thousand, one hundred fifty-three".