275280001 has 2 divisors, whose sum is σ = 275280002. Its totient is φ = 275280000.

The previous prime is 275279989. The next prime is 275280011. The reversal of 275280001 is 100082572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149817600 + 125462401 = 12240^2 + 11201^2 .

It is a cyclic number.

It is not a de Polignac number, because 275280001 - 2²¹ = 273182849 is a prime.

It is not a weakly prime, because it can be changed into another prime (275280011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137640000 + 137640001.

It is an arithmetic number, because the mean of its divisors is an integer number (137640001).

Almost surely, 2^275280001 is an apocalyptic number.

It is an amenable number.

275280001 is a deficient number, since it is larger than the sum of its proper divisors (1).

275280001 is an equidigital number, since it uses as much as digits as its factorization.

275280001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 275280001 is about 16591.5641517007. The cubic root of 275280001 is about 650.5163557767.

The spelling of 275280001 in words is "two hundred seventy-five million, two hundred eighty thousand, one".