214254065 has 4 divisors (see below), whose sum is σ = 257104884. Its totient is φ = 171403248.

The previous prime is 214254041. The next prime is 214254071. The reversal of 214254065 is 560452412.

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 123032464 + 91221601 = 11092^2 + 9551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214254065 is a prime.

It is a Duffinian 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, 21425402 + ... + 21425411.

It is an arithmetic number, because the mean of its divisors is an integer number (64276221).

Almost surely, 2^214254065 is an apocalyptic number.

It is an amenable number.

214254065 is a deficient number, since it is larger than the sum of its proper divisors (42850819).

214254065 is an equidigital number, since it uses as much as digits as its factorization.

214254065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42850818.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 214254065 is about 14637.4200254007. The cubic root of 214254065 is about 598.3790181587.

The spelling of 214254065 in words is "two hundred fourteen million, two hundred fifty-four thousand, sixty-five".