214464653 has 4 divisors (see below), whose sum is σ = 230961948. Its totient is φ = 197967360.

The previous prime is 214464637. The next prime is 214464661. The reversal of 214464653 is 356464412.

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 24631369 + 189833284 = 4963^2 + 13778^2 .

It is a cyclic number.

It is not a de Polignac number, because 214464653 - 2⁴ = 214464637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214464623) 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 3 ways as a sum of consecutive naturals, for example, 8248628 + ... + 8248653.

It is an arithmetic number, because the mean of its divisors is an integer number (57740487).

Almost surely, 2^214464653 is an apocalyptic number.

It is an amenable number.

214464653 is a deficient number, since it is larger than the sum of its proper divisors (16497295).

214464653 is a wasteful number, since it uses less digits than its factorization.

214464653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16497294.

The product of its digits is 69120, while the sum is 35.

The square root of 214464653 is about 14644.6117394761. The cubic root of 214464653 is about 598.5750007151.

The spelling of 214464653 in words is "two hundred fourteen million, four hundred sixty-four thousand, six hundred fifty-three".