265435201 has 2 divisors, whose sum is σ = 265435202. Its totient is φ = 265435200.

The previous prime is 265435153. The next prime is 265435211. The reversal of 265435201 is 102534562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262407601 + 3027600 = 16199^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 265435201 - 2¹⁷ = 265304129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265435201.

It is not a weakly prime, because it can be changed into another prime (265435211) 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, 132717600 + 132717601.

It is an arithmetic number, because the mean of its divisors is an integer number (132717601).

Almost surely, 2^265435201 is an apocalyptic number.

It is an amenable number.

265435201 is a deficient number, since it is larger than the sum of its proper divisors (1).

265435201 is an equidigital number, since it uses as much as digits as its factorization.

265435201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 265435201 is about 16292.1822049718. The cubic root of 265435201 is about 642.6672547756.

Adding to 265435201 its reverse (102534562), we get a palindrome (367969763).

The spelling of 265435201 in words is "two hundred sixty-five million, four hundred thirty-five thousand, two hundred one".