263266025 has 12 divisors (see below), whose sum is σ = 356127504. Its totient is φ = 191466000.

The previous prime is 263266019. The next prime is 263266039. The reversal of 263266025 is 520662362.

It is a de Polignac number, because none of the positive numbers 2^k-263266025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263265982 and 263266000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478391 + ... + 478940.

It is an arithmetic number, because the mean of its divisors is an integer number (29677292).

Almost surely, 2^263266025 is an apocalyptic number.

263266025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263266025 is a deficient number, since it is larger than the sum of its proper divisors (92861479).

263266025 is a wasteful number, since it uses less digits than its factorization.

263266025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957352 (or 957347 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 263266025 is about 16225.4745693308. The cubic root of 263266025 is about 640.9118066167.

The spelling of 263266025 in words is "two hundred sixty-three million, two hundred sixty-six thousand, twenty-five".