275525 has 12 divisors (see below), whose sum is σ = 348192. Its totient is φ = 216240.

The previous prime is 275521. The next prime is 275531. The reversal of 275525 is 525572.

It is not a de Polignac number, because 275525 - 2² = 275521 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 275494 and 275503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2522 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2²⁷⁵⁵²⁵ is an apocalyptic number.

275525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275525 is a deficient number, since it is larger than the sum of its proper divisors (72667).

275525 is a wasteful number, since it uses less digits than its factorization.

275525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its digits is 3500, while the sum is 26.

The square root of 275525 is about 524.9047532648. The cubic root of 275525 is about 65.0709284913.

Subtracting 275525 from its reverse (525572), we obtain a cube (250047 = 63³).

The spelling of 275525 in words is "two hundred seventy-five thousand, five hundred twenty-five".