252216601 has 8 divisors (see below), whose sum is σ = 310420544. Its totient is φ = 199555920.

The previous prime is 252216599. The next prime is 252216611. The reversal of 252216601 is 106612252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252216601 - 2¹ = 252216599 is a prime.

It is a super-2 number, since 2×252216601² = 127226427639986402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252216611) 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 7 ways as a sum of consecutive naturals, for example, 1385715 + ... + 1385896.

It is an arithmetic number, because the mean of its divisors is an integer number (38802568).

Almost surely, 2^252216601 is an apocalyptic number.

It is an amenable number.

252216601 is a deficient number, since it is larger than the sum of its proper divisors (58203943).

252216601 is a wasteful number, since it uses less digits than its factorization.

252216601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771631.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 252216601 is about 15881.3286912651. The cubic root of 252216601 is about 631.8168774919.

Adding to 252216601 its reverse (106612252), we get a palindrome (358828853).

The spelling of 252216601 in words is "two hundred fifty-two million, two hundred sixteen thousand, six hundred one".