5145351217 has 2 divisors, whose sum is σ = 5145351218. Its totient is φ = 5145351216.

The previous prime is 5145351209. The next prime is 5145351271. The reversal of 5145351217 is 7121535415.

Together with next prime (5145351271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5120261136 + 25090081 = 71556^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145351217 - 2³ = 5145351209 is a prime.

It is not a weakly prime, because it can be changed into another prime (5145351287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572675608 + 2572675609.

It is an arithmetic number, because the mean of its divisors is an integer number (2572675609).

Almost surely, 2^5145351217 is an apocalyptic number.

It is an amenable number.

5145351217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145351217 is an equidigital number, since it uses as much as digits as its factorization.

5145351217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 5145351217 is about 71731.1035534795. The cubic root of 5145351217 is about 1726.3877334779.

The spelling of 5145351217 in words is "five billion, one hundred forty-five million, three hundred fifty-one thousand, two hundred seventeen".