275500280525 has 12 divisors (see below), whose sum is σ = 341689752852. Its totient is φ = 220355447040.

The previous prime is 275500280507. The next prime is 275500280533. The reversal of 275500280525 is 525082005572.

It can be written as a sum of positive squares in 6 ways, for example, as 3904000324 + 271596280201 = 62482^2 + 521149^2 .

It is not a de Polignac number, because 275500280525 - 2¹⁰ = 275500279501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993644 + ... + 1240293.

It is an arithmetic number, because the mean of its divisors is an integer number (28474146071).

Almost surely, 2^275500280525 is an apocalyptic number.

275500280525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275500280525 is a deficient number, since it is larger than the sum of its proper divisors (66189472327).

275500280525 is a wasteful number, since it uses less digits than its factorization.

275500280525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238880 (or 2238875 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 275500280525 in words is "two hundred seventy-five billion, five hundred million, two hundred eighty thousand, five hundred twenty-five".