265532063 has 4 divisors (see below), whose sum is σ = 265606320. Its totient is φ = 265457808.

The previous prime is 265532051. The next prime is 265532077. The reversal of 265532063 is 360235562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265532063 - 2¹⁸ = 265269919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265532083) 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 in 3 ways as a sum of consecutive naturals, for example, 31478 + ... + 39011.

It is an arithmetic number, because the mean of its divisors is an integer number (66401580).

Almost surely, 2^265532063 is an apocalyptic number.

265532063 is a deficient number, since it is larger than the sum of its proper divisors (74257).

265532063 is an equidigital number, since it uses as much as digits as its factorization.

265532063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74256.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 265532063 is about 16295.1545865635. The cubic root of 265532063 is about 642.7454188183.

The spelling of 265532063 in words is "two hundred sixty-five million, five hundred thirty-two thousand, sixty-three".