253545323545417 has 2 divisors, whose sum is σ = 253545323545418. Its totient is φ = 253545323545416.

The previous prime is 253545323545343. The next prime is 253545323545463. The reversal of 253545323545417 is 714545323545352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215902938900496 + 37642384644921 = 14693636^2 + 6135339^2 .

It is a cyclic number.

It is not a de Polignac number, because 253545323545417 - 2⁷ = 253545323545289 is a prime.

It is not a weakly prime, because it can be changed into another prime (253545323545117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126772661772708 + 126772661772709.

It is an arithmetic number, because the mean of its divisors is an integer number (126772661772709).

Almost surely, 2^{253545323545417} is an apocalyptic number.

It is an amenable number.

253545323545417 is a deficient number, since it is larger than the sum of its proper divisors (1).

253545323545417 is an equidigital number, since it uses as much as digits as its factorization.

253545323545417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200000, while the sum is 58.

The spelling of 253545323545417 in words is "two hundred fifty-three trillion, five hundred forty-five billion, three hundred twenty-three million, five hundred forty-five thousand, four hundred seventeen".