275120851 has 2 divisors, whose sum is σ = 275120852. Its totient is φ = 275120850.

The previous prime is 275120831. The next prime is 275120873. The reversal of 275120851 is 158021572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275120851 - 2¹³ = 275112659 is a prime.

It is not a weakly prime, because it can be changed into another prime (275120821) 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, 137560425 + 137560426.

It is an arithmetic number, because the mean of its divisors is an integer number (137560426).

Almost surely, 2^275120851 is an apocalyptic number.

275120851 is a deficient number, since it is larger than the sum of its proper divisors (1).

275120851 is an equidigital number, since it uses as much as digits as its factorization.

275120851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 275120851 is about 16586.7673462914. The cubic root of 275120851 is about 650.3909687337.

The spelling of 275120851 in words is "two hundred seventy-five million, one hundred twenty thousand, eight hundred fifty-one".