252568418 has 4 divisors (see below), whose sum is σ = 378852630. Its totient is φ = 126284208.

The previous prime is 252568417. The next prime is 252568423. The reversal of 252568418 is 814865252.

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 only one way, i.e., 136726249 + 115842169 = 11693^2 + 10763^2 .

It is not an unprimeable number, because it can be changed into a prime (252568411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63142103 + ... + 63142106.

Almost surely, 2^252568418 is an apocalyptic number.

252568418 is a deficient number, since it is larger than the sum of its proper divisors (126284212).

252568418 is a wasteful number, since it uses less digits than its factorization.

252568418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126284211.

The product of its digits is 153600, while the sum is 41.

The square root of 252568418 is about 15892.4012660139. The cubic root of 252568418 is about 632.1105148429.

The spelling of 252568418 in words is "two hundred fifty-two million, five hundred sixty-eight thousand, four hundred eighteen".