17012356253 has 2 divisors, whose sum is σ = 17012356254. Its totient is φ = 17012356252.

The previous prime is 17012356237. The next prime is 17012356313. The reversal of 17012356253 is 35265321071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13014702724 + 3997653529 = 114082^2 + 63227^2 .

It is a cyclic number.

It is not a de Polignac number, because 17012356253 - 2⁴ = 17012356237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17012356453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8506178126 + 8506178127.

It is an arithmetic number, because the mean of its divisors is an integer number (8506178127).

Almost surely, 2^17012356253 is an apocalyptic number.

It is an amenable number.

17012356253 is a deficient number, since it is larger than the sum of its proper divisors (1).

17012356253 is an equidigital number, since it uses as much as digits as its factorization.

17012356253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 17012356253 in words is "seventeen billion, twelve million, three hundred fifty-six thousand, two hundred fifty-three".