4252215697 has 2 divisors, whose sum is σ = 4252215698. Its totient is φ = 4252215696.

The previous prime is 4252215589. The next prime is 4252215701. The reversal of 4252215697 is 7965122524.

4252215697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4118558976 + 133656721 = 64176^2 + 11561^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252215697 - 2¹⁵ = 4252182929 is a prime.

It is not a weakly prime, because it can be changed into another prime (4252215197) 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, 2126107848 + 2126107849.

It is an arithmetic number, because the mean of its divisors is an integer number (2126107849).

Almost surely, 2^4252215697 is an apocalyptic number.

It is an amenable number.

4252215697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252215697 is an equidigital number, since it uses as much as digits as its factorization.

4252215697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 4252215697 is about 65209.0154579871. The cubic root of 4252215697 is about 1620.0873418590.

It can be divided in two parts, 425 and 2215697, that added together give a palindrome (2216122).

The spelling of 4252215697 in words is "four billion, two hundred fifty-two million, two hundred fifteen thousand, six hundred ninety-seven".