275025280249 has 2 divisors, whose sum is σ = 275025280250. Its totient is φ = 275025280248.

The previous prime is 275025280163. The next prime is 275025280297. The reversal of 275025280249 is 942082520572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273340752400 + 1684527849 = 522820^2 + 41043^2 .

It is a cyclic number.

It is not a de Polignac number, because 275025280249 - 2¹¹ = 275025278201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275025280199 and 275025280208.

It is not a weakly prime, because it can be changed into another prime (275025280949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137512640124 + 137512640125.

It is an arithmetic number, because the mean of its divisors is an integer number (137512640125).

Almost surely, 2^275025280249 is an apocalyptic number.

It is an amenable number.

275025280249 is a deficient number, since it is larger than the sum of its proper divisors (1).

275025280249 is an equidigital number, since it uses as much as digits as its factorization.

275025280249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 275025280249 in words is "two hundred seventy-five billion, twenty-five million, two hundred eighty thousand, two hundred forty-nine".