260534161 has 2 divisors, whose sum is σ = 260534162. Its totient is φ = 260534160.

The previous prime is 260534069. The next prime is 260534171. The reversal of 260534161 is 161435062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257795136 + 2739025 = 16056^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 260534161 - 2²⁷ = 126316433 is a prime.

It is equal to p_14223385 and since 260534161 and 14223385 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (260534171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130267080 + 130267081.

It is an arithmetic number, because the mean of its divisors is an integer number (130267081).

Almost surely, 2^260534161 is an apocalyptic number.

It is an amenable number.

260534161 is a deficient number, since it is larger than the sum of its proper divisors (1).

260534161 is an equidigital number, since it uses as much as digits as its factorization.

260534161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 260534161 is about 16141.0706274398. The cubic root of 260534161 is about 638.6872187049.

Subtracting from 260534161 its reverse (161435062), we obtain a palindrome (99099099).

The spelling of 260534161 in words is "two hundred sixty million, five hundred thirty-four thousand, one hundred sixty-one".