253232142517 has 2 divisors, whose sum is σ = 253232142518. Its totient is φ = 253232142516.

The previous prime is 253232142497. The next prime is 253232142523. The reversal of 253232142517 is 715241232352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252874213956 + 357928561 = 502866^2 + 18919^2 .

It is a cyclic number.

It is not a de Polignac number, because 253232142517 - 2¹⁹ = 253231618229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253232142587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126616071258 + 126616071259.

It is an arithmetic number, because the mean of its divisors is an integer number (126616071259).

Almost surely, 2^253232142517 is an apocalyptic number.

It is an amenable number.

253232142517 is a deficient number, since it is larger than the sum of its proper divisors (1).

253232142517 is an equidigital number, since it uses as much as digits as its factorization.

253232142517 is an odious number, because the sum of its binary digits is odd.

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

Adding to 253232142517 its reverse (715241232352), we get a palindrome (968473374869).

The spelling of 253232142517 in words is "two hundred fifty-three billion, two hundred thirty-two million, one hundred forty-two thousand, five hundred seventeen".