253025424217 has 2 divisors, whose sum is σ = 253025424218. Its totient is φ = 253025424216.

The previous prime is 253025424181. The next prime is 253025424233. The reversal of 253025424217 is 712424520352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145962966601 + 107062457616 = 382051^2 + 327204^2 .

It is a cyclic number.

It is not a de Polignac number, because 253025424217 - 2²⁷ = 252891206489 is a prime.

It is not a weakly prime, because it can be changed into another prime (253025424247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126512712108 + 126512712109.

It is an arithmetic number, because the mean of its divisors is an integer number (126512712109).

Almost surely, 2^253025424217 is an apocalyptic number.

It is an amenable number.

253025424217 is a deficient number, since it is larger than the sum of its proper divisors (1).

253025424217 is an equidigital number, since it uses as much as digits as its factorization.

253025424217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 253025424217 its reverse (712424520352), we get a palindrome (965449944569).

The spelling of 253025424217 in words is "two hundred fifty-three billion, twenty-five million, four hundred twenty-four thousand, two hundred seventeen".