252206705 has 8 divisors (see below), whose sum is σ = 306294912. Its totient is φ = 199334128.

The previous prime is 252206683. The next prime is 252206711. The reversal of 252206705 is 507602252.

252206705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 252206705 - 2¹⁴ = 252190321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303449 + ... + 304278.

It is an arithmetic number, because the mean of its divisors is an integer number (38286864).

Almost surely, 2^252206705 is an apocalyptic number.

It is an amenable number.

252206705 is a deficient number, since it is larger than the sum of its proper divisors (54088207).

252206705 is an equidigital number, since it uses as much as digits as its factorization.

252206705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607815.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 252206705 is about 15881.0171273757. The cubic root of 252206705 is about 631.8086140369.

Adding to 252206705 its reverse (507602252), we get a palindrome (759808957).

The spelling of 252206705 in words is "two hundred fifty-two million, two hundred six thousand, seven hundred five".