252255205 has 4 divisors (see below), whose sum is σ = 302706252. Its totient is φ = 201804160.

The previous prime is 252255181. The next prime is 252255209. The reversal of 252255205 is 502552252.

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 112211649 + 140043556 = 10593^2 + 11834^2 .

It is not a de Polignac number, because 252255205 - 2⁵ = 252255173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252255209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25225516 + ... + 25225525.

It is an arithmetic number, because the mean of its divisors is an integer number (75676563).

Almost surely, 2^252255205 is an apocalyptic number.

It is an amenable number.

252255205 is a deficient number, since it is larger than the sum of its proper divisors (50451047).

252255205 is an equidigital number, since it uses as much as digits as its factorization.

252255205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50451046.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 252255205 is about 15882.5440342535. The cubic root of 252255205 is about 631.8491109166.

The spelling of 252255205 in words is "two hundred fifty-two million, two hundred fifty-five thousand, two hundred five".