252235412105 has 4 divisors (see below), whose sum is σ = 302682494532. Its totient is φ = 201788329680.

The previous prime is 252235412083. The next prime is 252235412119. The reversal of 252235412105 is 501214532252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102664490569 + 149570921536 = 320413^2 + 386744^2 .

It is not a de Polignac number, because 252235412105 - 2⁸ = 252235411849 is a prime.

It is a super-3 number, since 3×252235412105³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25223541206 + ... + 25223541215.

It is an arithmetic number, because the mean of its divisors is an integer number (75670623633).

Almost surely, 2^252235412105 is an apocalyptic number.

It is an amenable number.

252235412105 is a deficient number, since it is larger than the sum of its proper divisors (50447082427).

252235412105 is an equidigital number, since it uses as much as digits as its factorization.

252235412105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50447082426.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 252235412105 its reverse (501214532252), we get a palindrome (753449944357).

The spelling of 252235412105 in words is "two hundred fifty-two billion, two hundred thirty-five million, four hundred twelve thousand, one hundred five".