275728051 has 2 divisors, whose sum is σ = 275728052. Its totient is φ = 275728050.

The previous prime is 275728039. The next prime is 275728069. The reversal of 275728051 is 150827572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275728051 - 2²¹ = 273630899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275728051.

It is not a weakly prime, because it can be changed into another prime (275728021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137864025 + 137864026.

It is an arithmetic number, because the mean of its divisors is an integer number (137864026).

Almost surely, 2^275728051 is an apocalyptic number.

275728051 is a deficient number, since it is larger than the sum of its proper divisors (1).

275728051 is an equidigital number, since it uses as much as digits as its factorization.

275728051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 275728051 is about 16605.0610056091. The cubic root of 275728051 is about 650.8690946421.

The spelling of 275728051 in words is "two hundred seventy-five million, seven hundred twenty-eight thousand, fifty-one".