275551273 has 2 divisors, whose sum is σ = 275551274. Its totient is φ = 275551272.

The previous prime is 275551261. The next prime is 275551277. The reversal of 275551273 is 372155572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197458704 + 78092569 = 14052^2 + 8837^2 .

It is a cyclic number.

It is not a de Polignac number, because 275551273 - 2²⁵ = 241996841 is a prime.

It is equal to p_14997223 and since 275551273 and 14997223 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (275551277) 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, 137775636 + 137775637.

It is an arithmetic number, because the mean of its divisors is an integer number (137775637).

Almost surely, 2^275551273 is an apocalyptic number.

It is an amenable number.

275551273 is a deficient number, since it is larger than the sum of its proper divisors (1).

275551273 is an equidigital number, since it uses as much as digits as its factorization.

275551273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 37.

The square root of 275551273 is about 16599.7371364730. The cubic root of 275551273 is about 650.7299672972.

The spelling of 275551273 in words is "two hundred seventy-five million, five hundred fifty-one thousand, two hundred seventy-three".