252643214 has 4 divisors (see below), whose sum is σ = 378964824. Its totient is φ = 126321606.

The previous prime is 252643199. The next prime is 252643217. The reversal of 252643214 is 412346252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252643217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63160802 + ... + 63160805.

It is an arithmetic number, because the mean of its divisors is an integer number (94741206).

Almost surely, 2^252643214 is an apocalyptic number.

252643214 is a deficient number, since it is larger than the sum of its proper divisors (126321610).

252643214 is a wasteful number, since it uses less digits than its factorization.

252643214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126321609.

The product of its digits is 11520, while the sum is 29.

The square root of 252643214 is about 15894.7542919040. The cubic root of 252643214 is about 632.1729067446.

Adding to 252643214 its reverse (412346252), we get a palindrome (664989466).

The spelling of 252643214 in words is "two hundred fifty-two million, six hundred forty-three thousand, two hundred fourteen".