172450342513 has 2 divisors, whose sum is σ = 172450342514. Its totient is φ = 172450342512.

The previous prime is 172450342487. The next prime is 172450342531. The reversal of 172450342513 is 315243054271.

172450342513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (172450342531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170926845489 + 1523497024 = 413433^2 + 39032^2 .

It is a cyclic number.

It is not a de Polignac number, because 172450342513 - 2¹⁷ = 172450211441 is a prime.

It is not a weakly prime, because it can be changed into another prime (172450342213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86225171256 + 86225171257.

It is an arithmetic number, because the mean of its divisors is an integer number (86225171257).

Almost surely, 2^172450342513 is an apocalyptic number.

It is an amenable number.

172450342513 is a deficient number, since it is larger than the sum of its proper divisors (1).

172450342513 is an equidigital number, since it uses as much as digits as its factorization.

172450342513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 172450342513 its reverse (315243054271), we get a palindrome (487693396784).

The spelling of 172450342513 in words is "one hundred seventy-two billion, four hundred fifty million, three hundred forty-two thousand, five hundred thirteen".