275280625 has 20 divisors (see below), whose sum is σ = 352024816. Its totient is φ = 215082000.

The previous prime is 275280587. The next prime is 275280631. The reversal of 275280625 is 526082572.

It is not a de Polignac number, because 275280625 - 2¹⁹ = 274756337 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21754 + ... + 31996.

Almost surely, 2^275280625 is an apocalyptic number.

275280625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275280625 is a deficient number, since it is larger than the sum of its proper divisors (76744191).

275280625 is an equidigital number, since it uses as much as digits as its factorization.

275280625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306 (or 10291 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 275280625 is about 16591.5829564270. The cubic root of 275280625 is about 650.5168473027.

It can be divided in two parts, 275 and 280625, that added together give a square (280900 = 530²).

The spelling of 275280625 in words is "two hundred seventy-five million, two hundred eighty thousand, six hundred twenty-five".