252340227 has 24 divisors (see below), whose sum is σ = 378593280. Its totient is φ = 161840880.

The previous prime is 252340213. The next prime is 252340229. The reversal of 252340227 is 722043252.

252340227 is a `hidden beast` number, since 252 + 3 + 402 + 2 + 7 = 666.

It is not a de Polignac number, because 252340227 - 2¹¹ = 252338179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252340227.

It is not an unprimeable number, because it can be changed into a prime (252340229) 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 23 ways as a sum of consecutive naturals, for example, 19902 + ... + 30012.

It is an arithmetic number, because the mean of its divisors is an integer number (15774720).

Almost surely, 2^252340227 is an apocalyptic number.

252340227 is a deficient number, since it is larger than the sum of its proper divisors (126253053).

252340227 is a wasteful number, since it uses less digits than its factorization.

252340227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223 (or 10220 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 252340227 is about 15885.2203950716. The cubic root of 252340227 is about 631.9200906752.

Adding to 252340227 its reverse (722043252), we get a palindrome (974383479).

The spelling of 252340227 in words is "two hundred fifty-two million, three hundred forty thousand, two hundred twenty-seven".