275256365 has 4 divisors (see below), whose sum is σ = 330307644. Its totient is φ = 220205088.

The previous prime is 275256353. The next prime is 275256383. The reversal of 275256365 is 563652572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137405284 + 137851081 = 11722^2 + 11741^2 .

It is a cyclic number.

It is not a de Polignac number, because 275256365 - 2¹⁴ = 275239981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27525632 + ... + 27525641.

It is an arithmetic number, because the mean of its divisors is an integer number (82576911).

Almost surely, 2^275256365 is an apocalyptic number.

It is an amenable number.

275256365 is a deficient number, since it is larger than the sum of its proper divisors (55051279).

275256365 is an equidigital number, since it uses as much as digits as its factorization.

275256365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55051278.

The product of its digits is 378000, while the sum is 41.

The square root of 275256365 is about 16590.8518467257. The cubic root of 275256365 is about 650.4977371040.

The spelling of 275256365 in words is "two hundred seventy-five million, two hundred fifty-six thousand, three hundred sixty-five".