252213101436 has 24 divisors (see below), whose sum is σ = 589214065104. Its totient is φ = 83968629760.

The previous prime is 252213101417. The next prime is 252213101477. The reversal of 252213101436 is 634101312252.

252213101436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252213101436² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12790245 + ... + 12809948.

It is an arithmetic number, because the mean of its divisors is an integer number (24550586046).

Almost surely, 2^252213101436 is an apocalyptic number.

It is an amenable number.

252213101436 is an abundant number, since it is smaller than the sum of its proper divisors (337000963668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252213101436 is a wasteful number, since it uses less digits than its factorization.

252213101436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25601021 (or 25601019 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 252213101436 its reverse (634101312252), we get a palindrome (886314413688).

The spelling of 252213101436 in words is "two hundred fifty-two billion, two hundred thirteen million, one hundred one thousand, four hundred thirty-six".