275706461 has 2 divisors, whose sum is σ = 275706462. Its totient is φ = 275706460.

The previous prime is 275706443. The next prime is 275706463. The reversal of 275706461 is 164607572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268763236 + 6943225 = 16394^2 + 2635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275706461 is a prime.

It is a Sophie Germain prime.

Together with 275706463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275706463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137853230 + 137853231.

It is an arithmetic number, because the mean of its divisors is an integer number (137853231).

Almost surely, 2^275706461 is an apocalyptic number.

It is an amenable number.

275706461 is a deficient number, since it is larger than the sum of its proper divisors (1).

275706461 is an equidigital number, since it uses as much as digits as its factorization.

275706461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 275706461 is about 16604.4108898810. The cubic root of 275706461 is about 650.8521061269.

The spelling of 275706461 in words is "two hundred seventy-five million, seven hundred six thousand, four hundred sixty-one".