275790917 has 2 divisors, whose sum is σ = 275790918. Its totient is φ = 275790916.

The previous prime is 275790793. The next prime is 275790923. The reversal of 275790917 is 719097572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199769956 + 76020961 = 14134^2 + 8719^2 .

It is a cyclic number.

It is not a de Polignac number, because 275790917 - 2¹⁶ = 275725381 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 (275790937) 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, 137895458 + 137895459.

It is an arithmetic number, because the mean of its divisors is an integer number (137895459).

Almost surely, 2^275790917 is an apocalyptic number.

It is an amenable number.

275790917 is a deficient number, since it is larger than the sum of its proper divisors (1).

275790917 is an equidigital number, since it uses as much as digits as its factorization.

275790917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830, while the sum is 47.

The square root of 275790917 is about 16606.9538748080. The cubic root of 275790917 is about 650.9185569378.

The spelling of 275790917 in words is "two hundred seventy-five million, seven hundred ninety thousand, nine hundred seventeen".