263775225 has 24 divisors (see below), whose sum is σ = 498410560. Its totient is φ = 120582720.

The previous prime is 263775221. The next prime is 263775227. The reversal of 263775225 is 522577362.

It is not a de Polignac number, because 263775225 - 2² = 263775221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263775221) 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 23 ways as a sum of consecutive naturals, for example, 250690 + ... + 251739.

Almost surely, 2^263775225 is an apocalyptic number.

263775225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263775225 is a deficient number, since it is larger than the sum of its proper divisors (234635335).

263775225 is a wasteful number, since it uses less digits than its factorization.

263775225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502449 (or 502444 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 263775225 is about 16241.1583638606. The cubic root of 263775225 is about 641.3247502812.

The spelling of 263775225 in words is "two hundred sixty-three million, seven hundred seventy-five thousand, two hundred twenty-five".