276270461 has 2 divisors, whose sum is σ = 276270462. Its totient is φ = 276270460.

The previous prime is 276270437. The next prime is 276270473. The reversal of 276270461 is 164072672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275759236 + 511225 = 16606^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 276270461 - 2²⁶ = 209161597 is a prime.

It is a super-3 number, since 3×276270461³ (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 (276270061) 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, 138135230 + 138135231.

It is an arithmetic number, because the mean of its divisors is an integer number (138135231).

Almost surely, 2^276270461 is an apocalyptic number.

It is an amenable number.

276270461 is a deficient number, since it is larger than the sum of its proper divisors (1).

276270461 is an equidigital number, since it uses as much as digits as its factorization.

276270461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 276270461 is about 16621.3856522253. The cubic root of 276270461 is about 651.2956098978.

The spelling of 276270461 in words is "two hundred seventy-six million, two hundred seventy thousand, four hundred sixty-one".