214253653 has 4 divisors (see below), whose sum is σ = 221641740. Its totient is φ = 206865568.

The previous prime is 214253651. The next prime is 214253681. The reversal of 214253653 is 356352412.

It is a happy number.

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 136936804 + 77316849 = 11702^2 + 8793^2 .

It is a cyclic number.

It is not a de Polignac number, because 214253653 - 2¹ = 214253651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214253651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3694000 + ... + 3694057.

It is an arithmetic number, because the mean of its divisors is an integer number (55410435).

Almost surely, 2^214253653 is an apocalyptic number.

It is an amenable number.

214253653 is a deficient number, since it is larger than the sum of its proper divisors (7388087).

214253653 is an equidigital number, since it uses as much as digits as its factorization.

214253653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388086.

The product of its digits is 21600, while the sum is 31.

The square root of 214253653 is about 14637.4059518755. The cubic root of 214253653 is about 598.3786346074.

The spelling of 214253653 in words is "two hundred fourteen million, two hundred fifty-three thousand, six hundred fifty-three".