253214227 has 4 divisors (see below), whose sum is σ = 289387696. Its totient is φ = 217040760.

The previous prime is 253214191. The next prime is 253214243. The reversal of 253214227 is 722412352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253214227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253214195 and 253214204.

It is not an unprimeable number, because it can be changed into a prime (253214267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18086724 + ... + 18086737.

It is an arithmetic number, because the mean of its divisors is an integer number (72346924).

Almost surely, 2^253214227 is an apocalyptic number.

253214227 is a deficient number, since it is larger than the sum of its proper divisors (36173469).

253214227 is an equidigital number, since it uses as much as digits as its factorization.

253214227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173468.

The product of its digits is 6720, while the sum is 28.

The square root of 253214227 is about 15912.7064637038. The cubic root of 253214227 is about 632.6488181125.

Adding to 253214227 its reverse (722412352), we get a palindrome (975626579).

The spelling of 253214227 in words is "two hundred fifty-three million, two hundred fourteen thousand, two hundred twenty-seven".