275861461 has 2 divisors, whose sum is σ = 275861462. Its totient is φ = 275861460.

The previous prime is 275861429. The next prime is 275861473. The reversal of 275861461 is 164168572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275062225 + 799236 = 16585^2 + 894^2 .

It is a cyclic number.

It is not a de Polignac number, because 275861461 - 2⁵ = 275861429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275865461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137930730 + 137930731.

It is an arithmetic number, because the mean of its divisors is an integer number (137930731).

Almost surely, 2^275861461 is an apocalyptic number.

It is an amenable number.

275861461 is a deficient number, since it is larger than the sum of its proper divisors (1).

275861461 is an equidigital number, since it uses as much as digits as its factorization.

275861461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 275861461 is about 16609.0776685522. The cubic root of 275861461 is about 650.9740512528.

The spelling of 275861461 in words is "two hundred seventy-five million, eight hundred sixty-one thousand, four hundred sixty-one".