217014075255325 has 6 divisors (see below), whose sum is σ = 269097453316634. Its totient is φ = 173611260204240.

The previous prime is 217014075255317. The next prime is 217014075255359. The reversal of 217014075255325 is 523552570410712.

It can be written as a sum of positive squares in 3 ways, for example, as 25584547585689 + 191429527669636 = 5058117^2 + 13835806^2 .

It is not a de Polignac number, because 217014075255325 - 2³ = 217014075255317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4340281505082 + ... + 4340281505131.

Almost surely, 2^{217014075255325} is an apocalyptic number.

217014075255325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

217014075255325 is a deficient number, since it is larger than the sum of its proper divisors (52083378061309).

217014075255325 is an equidigital number, since it uses as much as digits as its factorization.

217014075255325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680563010223 (or 8680563010218 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 217014075255325 in words is "two hundred seventeen trillion, fourteen billion, seventy-five million, two hundred fifty-five thousand, three hundred twenty-five".