265013203 has 32 divisors (see below), whose sum is σ = 345927680. Its totient is φ = 197354880.

The previous prime is 265013201. The next prime is 265013209. The reversal of 265013203 is 302310562.

It is a cyclic number.

It is not a de Polignac number, because 265013203 - 2¹ = 265013201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265013201) 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 31 ways as a sum of consecutive naturals, for example, 103108 + ... + 105646.

It is an arithmetic number, because the mean of its divisors is an integer number (10810240).

Almost surely, 2^265013203 is an apocalyptic number.

265013203 is a deficient number, since it is larger than the sum of its proper divisors (80914477).

265013203 is a wasteful number, since it uses less digits than its factorization.

265013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 265013203 is about 16279.2261179701. The cubic root of 265013203 is about 642.3264959695.

Adding to 265013203 its reverse (302310562), we get a palindrome (567323765).

The spelling of 265013203 in words is "two hundred sixty-five million, thirteen thousand, two hundred three".