265733101 has 2 divisors, whose sum is σ = 265733102. Its totient is φ = 265733100.

The previous prime is 265733093. The next prime is 265733129. The reversal of 265733101 is 101337562.

It is an a-pointer prime, because the next prime (265733129) can be obtained adding 265733101 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264875625 + 857476 = 16275^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 265733101 - 2³ = 265733093 is a prime.

It is a super-2 number, since 2×265733101² = 141228161934152402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265733101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265733201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132866550 + 132866551.

It is an arithmetic number, because the mean of its divisors is an integer number (132866551).

Almost surely, 2^265733101 is an apocalyptic number.

It is an amenable number.

265733101 is a deficient number, since it is larger than the sum of its proper divisors (1).

265733101 is an equidigital number, since it uses as much as digits as its factorization.

265733101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 265733101 is about 16301.3220629494. The cubic root of 265733101 is about 642.9075883824.

The spelling of 265733101 in words is "two hundred sixty-five million, seven hundred thirty-three thousand, one hundred one".