263335225 has 24 divisors (see below), whose sum is σ = 345692160. Its totient is φ = 198649920.

The previous prime is 263335223. The next prime is 263335249. The reversal of 263335225 is 522533362.

It is not a de Polignac number, because 263335225 - 2¹ = 263335223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263335223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26952 + ... + 35398.

It is an arithmetic number, because the mean of its divisors is an integer number (14403840).

Almost surely, 2^263335225 is an apocalyptic number.

263335225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263335225 is a deficient number, since it is larger than the sum of its proper divisors (82356935).

263335225 is a wasteful number, since it uses less digits than its factorization.

263335225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529 (or 8524 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 263335225 is about 16227.6068784032. The cubic root of 263335225 is about 640.9679566797.

Adding to 263335225 its reverse (522533362), we get a palindrome (785868587).

The spelling of 263335225 in words is "two hundred sixty-three million, three hundred thirty-five thousand, two hundred twenty-five".