252247318 has 4 divisors (see below), whose sum is σ = 378370980. Its totient is φ = 126123658.

The previous prime is 252247313. The next prime is 252247327. The reversal of 252247318 is 813742252.

It is a happy number.

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 (252247313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63061828 + ... + 63061831.

It is an arithmetic number, because the mean of its divisors is an integer number (94592745).

Almost surely, 2^252247318 is an apocalyptic number.

252247318 is a deficient number, since it is larger than the sum of its proper divisors (126123662).

252247318 is a wasteful number, since it uses less digits than its factorization.

252247318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126123661.

The product of its digits is 26880, while the sum is 34.

The square root of 252247318 is about 15882.2957408556. The cubic root of 252247318 is about 631.8425257259.

The spelling of 252247318 in words is "two hundred fifty-two million, two hundred forty-seven thousand, three hundred eighteen".