264534121 has 2 divisors, whose sum is σ = 264534122. Its totient is φ = 264534120.

The previous prime is 264534119. The next prime is 264534163. The reversal of 264534121 is 121435462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180096400 + 84437721 = 13420^2 + 9189^2 .

It is a cyclic number.

It is not a de Polignac number, because 264534121 - 2¹ = 264534119 is a prime.

Together with 264534119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 264534121.

It is not a weakly prime, because it can be changed into another prime (264534181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132267060 + 132267061.

It is an arithmetic number, because the mean of its divisors is an integer number (132267061).

Almost surely, 2^264534121 is an apocalyptic number.

It is an amenable number.

264534121 is a deficient number, since it is larger than the sum of its proper divisors (1).

264534121 is an equidigital number, since it uses as much as digits as its factorization.

264534121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 264534121 is about 16264.5049417435. The cubic root of 264534121 is about 641.9392037161.

Adding to 264534121 its reverse (121435462), we get a palindrome (385969583).

The spelling of 264534121 in words is "two hundred sixty-four million, five hundred thirty-four thousand, one hundred twenty-one".