275520127 has 2 divisors, whose sum is σ = 275520128. Its totient is φ = 275520126.

The previous prime is 275520109. The next prime is 275520131. The reversal of 275520127 is 721025572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275520127 - 2⁷ = 275519999 is a prime.

It is a super-2 number, since 2×275520127² = 151822680764192258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275520137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137760063 + 137760064.

It is an arithmetic number, because the mean of its divisors is an integer number (137760064).

Almost surely, 2^275520127 is an apocalyptic number.

275520127 is a deficient number, since it is larger than the sum of its proper divisors (1).

275520127 is an equidigital number, since it uses as much as digits as its factorization.

275520127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 275520127 is about 16598.7989625756. The cubic root of 275520127 is about 650.7054486912.

Adding to 275520127 its reverse (721025572), we get a palindrome (996545699).

The spelling of 275520127 in words is "two hundred seventy-five million, five hundred twenty thousand, one hundred twenty-seven".