255017101 has 2 divisors, whose sum is σ = 255017102. Its totient is φ = 255017100.

The previous prime is 255017033. The next prime is 255017117. The reversal of 255017101 is 101710552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139476100 + 115541001 = 11810^2 + 10749^2 .

It is a cyclic number.

It is not a de Polignac number, because 255017101 - 2¹⁹ = 254492813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255017131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127508550 + 127508551.

It is an arithmetic number, because the mean of its divisors is an integer number (127508551).

Almost surely, 2^255017101 is an apocalyptic number.

It is an amenable number.

255017101 is a deficient number, since it is larger than the sum of its proper divisors (1).

255017101 is an equidigital number, since it uses as much as digits as its factorization.

255017101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 255017101 is about 15969.2548667745. The cubic root of 255017101 is about 634.1467457786.

Adding to 255017101 its reverse (101710552), we get a palindrome (356727653).

The spelling of 255017101 in words is "two hundred fifty-five million, seventeen thousand, one hundred one".