276235065 has 12 divisors (see below), whose sum is σ = 478807524. Its totient is φ = 147325344.

The previous prime is 276235061. The next prime is 276235067. The reversal of 276235065 is 560532672.

It is a happy number.

276235065 is a `hidden beast` number, since 27 + 623 + 5 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 146821689 + 129413376 = 12117^2 + 11376^2 .

It is not a de Polignac number, because 276235065 - 2² = 276235061 is a prime.

It is a super-2 number, since 2×276235065² = 152611622271108450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276235061) 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 11 ways as a sum of consecutive naturals, for example, 3069234 + ... + 3069323.

It is an arithmetic number, because the mean of its divisors is an integer number (39900627).

Almost surely, 2^276235065 is an apocalyptic number.

It is an amenable number.

276235065 is a deficient number, since it is larger than the sum of its proper divisors (202572459).

276235065 is a wasteful number, since it uses less digits than its factorization.

276235065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138568 (or 6138565 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 276235065 is about 16620.3208452785. The cubic root of 276235065 is about 651.2677938657.

The spelling of 276235065 in words is "two hundred seventy-six million, two hundred thirty-five thousand, sixty-five".