276380653 has 2 divisors, whose sum is σ = 276380654. Its totient is φ = 276380652.

The previous prime is 276380647. The next prime is 276380659. The reversal of 276380653 is 356083672.

It is a balanced prime because it is at equal distance from previous prime (276380647) and next prime (276380659).

It can be written as a sum of positive squares in only one way, i.e., 182736324 + 93644329 = 13518^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 276380653 - 2¹⁷ = 276249581 is a prime.

It is a super-3 number, since 3×276380653³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276380659) 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, 138190326 + 138190327.

It is an arithmetic number, because the mean of its divisors is an integer number (138190327).

Almost surely, 2^276380653 is an apocalyptic number.

It is an amenable number.

276380653 is a deficient number, since it is larger than the sum of its proper divisors (1).

276380653 is an equidigital number, since it uses as much as digits as its factorization.

276380653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 276380653 is about 16624.7000875204. The cubic root of 276380653 is about 651.3821893389.

The spelling of 276380653 in words is "two hundred seventy-six million, three hundred eighty thousand, six hundred fifty-three".