252375418217 has 8 divisors (see below), whose sum is σ = 274479892680. Its totient is φ = 230655369600.

The previous prime is 252375418201. The next prime is 252375418219. The reversal of 252375418217 is 712814573252.

It can be written as a sum of positive squares in 4 ways, for example, as 127152149056 + 125223269161 = 356584^2 + 353869^2 .

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 252375418217 - 2⁴ = 252375418201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252375418219) 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, 96105092 + ... + 96107717.

It is an arithmetic number, because the mean of its divisors is an integer number (34309986585).

Almost surely, 2^252375418217 is an apocalyptic number.

It is an amenable number.

252375418217 is a deficient number, since it is larger than the sum of its proper divisors (22104474463).

252375418217 is a wasteful number, since it uses less digits than its factorization.

252375418217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192212923.

The product of its digits is 940800, while the sum is 47.

The spelling of 252375418217 in words is "two hundred fifty-two billion, three hundred seventy-five million, four hundred eighteen thousand, two hundred seventeen".