275012765 has 4 divisors (see below), whose sum is σ = 330015324. Its totient is φ = 220010208.

The previous prime is 275012711. The next prime is 275012807. The reversal of 275012765 is 567210572.

It is a happy number.

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 187197124 + 87815641 = 13682^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 275012765 - 2¹⁶ = 274947229 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 27501272 + ... + 27501281.

It is an arithmetic number, because the mean of its divisors is an integer number (82503831).

Almost surely, 2^275012765 is an apocalyptic number.

It is an amenable number.

275012765 is a deficient number, since it is larger than the sum of its proper divisors (55002559).

275012765 is an equidigital number, since it uses as much as digits as its factorization.

275012765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55002558.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 275012765 is about 16583.5088265421. The cubic root of 275012765 is about 650.3057851184.

The spelling of 275012765 in words is "two hundred seventy-five million, twelve thousand, seven hundred sixty-five".