265055506 has 4 divisors (see below), whose sum is σ = 397583262. Its totient is φ = 132527752.

The previous prime is 265055489. The next prime is 265055509. The reversal of 265055506 is 605550562.

It is a happy number.

265055506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 262148481 + 2907025 = 16191^2 + 1705^2 .

It is not an unprimeable number, because it can be changed into a prime (265055509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66263875 + ... + 66263878.

Almost surely, 2^265055506 is an apocalyptic number.

265055506 is a deficient number, since it is larger than the sum of its proper divisors (132527756).

265055506 is a wasteful number, since it uses less digits than its factorization.

265055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132527755.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 265055506 is about 16280.5253600736. The cubic root of 265055506 is about 642.3606714895.

The spelling of 265055506 in words is "two hundred sixty-five million, fifty-five thousand, five hundred six".