275280025 has 6 divisors (see below), whose sum is σ = 341347262. Its totient is φ = 220224000.

The previous prime is 275280013. The next prime is 275280053. The reversal of 275280025 is 520082572.

It can be written as a sum of positive squares in 3 ways, for example, as 350464 + 274929561 = 592^2 + 16581^2 .

It is not a de Polignac number, because 275280025 - 2¹⁷ = 275148953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 5505576 + ... + 5505625.

Almost surely, 2^275280025 is an apocalyptic number.

275280025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275280025 is a deficient number, since it is larger than the sum of its proper divisors (66067237).

275280025 is a wasteful number, since it uses less digits than its factorization.

275280025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011211 (or 11011206 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 275280025 is about 16591.5648749598. The cubic root of 275280025 is about 650.5163746815.

The spelling of 275280025 in words is "two hundred seventy-five million, two hundred eighty thousand, twenty-five".