312276065 has 16 divisors (see below), whose sum is σ = 379209600. Its totient is φ = 246849792.

The previous prime is 312276059. The next prime is 312276073. The reversal of 312276065 is 560672213.

It is a cyclic number.

It is not a de Polignac number, because 312276065 - 2¹² = 312271969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247406 + ... + 248664.

It is an arithmetic number, because the mean of its divisors is an integer number (23700600).

Almost surely, 2^312276065 is an apocalyptic number.

It is an amenable number.

312276065 is a deficient number, since it is larger than the sum of its proper divisors (66933535).

312276065 is a wasteful number, since it uses less digits than its factorization.

312276065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 312276065 is about 17671.3345562807. The cubic root of 312276065 is about 678.4422712525.

The spelling of 312276065 in words is "three hundred twelve million, two hundred seventy-six thousand, sixty-five".