275278003025 has 6 divisors (see below), whose sum is σ = 341344723782. Its totient is φ = 220222402400.

The previous prime is 275278003009. The next prime is 275278003027. The reversal of 275278003025 is 520300872572.

It can be written as a sum of positive squares in 3 ways, for example, as 4341096769 + 270936906256 = 65887^2 + 520516^2 .

It is not a de Polignac number, because 275278003025 - 2⁴ = 275278003009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275278003027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5505560036 + ... + 5505560085.

It is an arithmetic number, because the mean of its divisors is an integer number (56890787297).

Almost surely, 2^275278003025 is an apocalyptic number.

275278003025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275278003025 is a deficient number, since it is larger than the sum of its proper divisors (66066720757).

275278003025 is a wasteful number, since it uses less digits than its factorization.

275278003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011120131 (or 11011120126 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

Adding to 275278003025 its reverse (520300872572), we get a palindrome (795578875597).

The spelling of 275278003025 in words is "two hundred seventy-five billion, two hundred seventy-eight million, three thousand, twenty-five".