252113430305 has 16 divisors (see below), whose sum is σ = 332254440000. Its totient is φ = 182124644160.

The previous prime is 252113430299. The next prime is 252113430319. The reversal of 252113430305 is 503034311252.

It is a happy number.

It is not a de Polignac number, because 252113430305 - 2¹⁴ = 252113413921 is a prime.

It is a super-2 number, since 2×252113430305² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15373955 + ... + 15390344.

It is an arithmetic number, because the mean of its divisors is an integer number (20765902500).

Almost surely, 2^252113430305 is an apocalyptic number.

It is an amenable number.

252113430305 is a deficient number, since it is larger than the sum of its proper divisors (80141009695).

252113430305 is a wasteful number, since it uses less digits than its factorization.

252113430305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30764464.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 252113430305 its reverse (503034311252), we get a palindrome (755147741557).

The spelling of 252113430305 in words is "two hundred fifty-two billion, one hundred thirteen million, four hundred thirty thousand, three hundred five".