276350065 has 4 divisors (see below), whose sum is σ = 331620084. Its totient is φ = 221080048.

The previous prime is 276350059. The next prime is 276350119. The reversal of 276350065 is 560053672.

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 194212096 + 82137969 = 13936^2 + 9063^2 .

It is a cyclic number.

It is not a de Polignac number, because 276350065 - 2⁵ = 276350033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 276350065.

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, 27635002 + ... + 27635011.

It is an arithmetic number, because the mean of its divisors is an integer number (82905021).

Almost surely, 2^276350065 is an apocalyptic number.

It is an amenable number.

276350065 is a deficient number, since it is larger than the sum of its proper divisors (55270019).

276350065 is an equidigital number, since it uses as much as digits as its factorization.

276350065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55270018.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 276350065 is about 16623.7801056198. The cubic root of 276350065 is about 651.3581582146.

The spelling of 276350065 in words is "two hundred seventy-six million, three hundred fifty thousand, sixty-five".