252766206017 has 8 divisors (see below), whose sum is σ = 272215106856. Its totient is φ = 233318068992.

The previous prime is 252766205999. The next prime is 252766206019. The reversal of 252766206017 is 710602667252.

It can be written as a sum of positive squares in 4 ways, for example, as 18738598321 + 234027607696 = 136889^2 + 483764^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 252766206017 - 2³⁴ = 235586336833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252766206019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625763 + ... + 947159.

It is an arithmetic number, because the mean of its divisors is an integer number (34026888357).

Almost surely, 2^252766206017 is an apocalyptic number.

It is an amenable number.

252766206017 is a deficient number, since it is larger than the sum of its proper divisors (19448900839).

252766206017 is a wasteful number, since it uses less digits than its factorization.

252766206017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381907.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 252766206017 in words is "two hundred fifty-two billion, seven hundred sixty-six million, two hundred six thousand, seventeen".