225017245638139 has 2 divisors, whose sum is σ = 225017245638140. Its totient is φ = 225017245638138.

The previous prime is 225017245638089. The next prime is 225017245638169. The reversal of 225017245638139 is 931836542710522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225017245638139 - 2¹⁵ = 225017245605371 is a prime.

It is not a weakly prime, because it can be changed into another prime (225017245638169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508622819069 + 112508622819070.

It is an arithmetic number, because the mean of its divisors is an integer number (112508622819070).

It is a 2-persistent number, because it is pandigital, and so is 2⋅225017245638139 = 450034491276278, but 3⋅225017245638139 = 675051736914417 is not.

Almost surely, 2^{225017245638139} is an apocalyptic number.

225017245638139 is a deficient number, since it is larger than the sum of its proper divisors (1).

225017245638139 is an equidigital number, since it uses as much as digits as its factorization.

225017245638139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 225017245638139 in words is "two hundred twenty-five trillion, seventeen billion, two hundred forty-five million, six hundred thirty-eight thousand, one hundred thirty-nine".