275265251 has 4 divisors (see below), whose sum is σ = 275302272. Its totient is φ = 275228232.

The previous prime is 275265197. The next prime is 275265259. The reversal of 275265251 is 152562572.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275265251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275265259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (68825568).

Almost surely, 2^275265251 is an apocalyptic number.

275265251 is a deficient number, since it is larger than the sum of its proper divisors (37021).

275265251 is a wasteful number, since it uses less digits than its factorization.

275265251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37020.

The product of its digits is 42000, while the sum is 35.

The square root of 275265251 is about 16591.1196427486. The cubic root of 275265251 is about 650.5047369551.

The spelling of 275265251 in words is "two hundred seventy-five million, two hundred sixty-five thousand, two hundred fifty-one".