265816073 has 2 divisors, whose sum is σ = 265816074. Its totient is φ = 265816072.

The previous prime is 265816043. The next prime is 265816081. The reversal of 265816073 is 370618562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238640704 + 27175369 = 15448^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 265816073 - 2⁶ = 265816009 is a prime.

It is not a weakly prime, because it can be changed into another prime (265816043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132908036 + 132908037.

It is an arithmetic number, because the mean of its divisors is an integer number (132908037).

Almost surely, 2^265816073 is an apocalyptic number.

It is an amenable number.

265816073 is a deficient number, since it is larger than the sum of its proper divisors (1).

265816073 is an equidigital number, since it uses as much as digits as its factorization.

265816073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 265816073 is about 16303.8668112813. The cubic root of 265816073 is about 642.9744948351.

The spelling of 265816073 in words is "two hundred sixty-five million, eight hundred sixteen thousand, seventy-three".