275129425 has 6 divisors (see below), whose sum is σ = 341160518. Its totient is φ = 220103520.

The previous prime is 275129369. The next prime is 275129453. The reversal of 275129425 is 524921572.

It can be written as a sum of positive squares in 3 ways, for example, as 80694289 + 194435136 = 8983^2 + 13944^2 .

It is not a de Polignac number, because 275129425 - 2²¹ = 273032273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5502564 + ... + 5502613.

Almost surely, 2^275129425 is an apocalyptic number.

275129425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275129425 is a deficient number, since it is larger than the sum of its proper divisors (66031093).

275129425 is a wasteful number, since it uses less digits than its factorization.

275129425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005187 (or 11005182 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 275129425 is about 16587.0258033199. The cubic root of 275129425 is about 650.3977250303.

The spelling of 275129425 in words is "two hundred seventy-five million, one hundred twenty-nine thousand, four hundred twenty-five".