265800053 has 2 divisors, whose sum is σ = 265800054. Its totient is φ = 265800052.

The previous prime is 265800047. The next prime is 265800127. The reversal of 265800053 is 350008562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135885649 + 129914404 = 11657^2 + 11398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265800053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265799989 and 265800025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265800023) 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, 132900026 + 132900027.

It is an arithmetic number, because the mean of its divisors is an integer number (132900027).

Almost surely, 2^265800053 is an apocalyptic number.

It is an amenable number.

265800053 is a deficient number, since it is larger than the sum of its proper divisors (1).

265800053 is an equidigital number, since it uses as much as digits as its factorization.

265800053 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 29.

The square root of 265800053 is about 16303.3755093846. The cubic root of 265800053 is about 642.9615778104.

The spelling of 265800053 in words is "two hundred sixty-five million, eight hundred thousand, fifty-three".