276945841 has 2 divisors, whose sum is σ = 276945842. Its totient is φ = 276945840.

The previous prime is 276945833. The next prime is 276945859. The reversal of 276945841 is 148549672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162027441 + 114918400 = 12729^2 + 10720^2 .

It is a cyclic number.

It is not a de Polignac number, because 276945841 - 2³ = 276945833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276945791 and 276945800.

It is not a weakly prime, because it can be changed into another prime (276945871) 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, 138472920 + 138472921.

It is an arithmetic number, because the mean of its divisors is an integer number (138472921).

Almost surely, 2^276945841 is an apocalyptic number.

It is an amenable number.

276945841 is a deficient number, since it is larger than the sum of its proper divisors (1).

276945841 is an equidigital number, since it uses as much as digits as its factorization.

276945841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 276945841 is about 16641.6898480893. The cubic root of 276945841 is about 651.8259043436.

The spelling of 276945841 in words is "two hundred seventy-six million, nine hundred forty-five thousand, eight hundred forty-one".