263603576672225 has 24 divisors (see below), whose sum is σ = 357260376872448. Its totient is φ = 192075471417600.

The previous prime is 263603576672171. The next prime is 263603576672273. The reversal of 263603576672225 is 522276675306362.

It is a happy number.

It is not a de Polignac number, because 263603576672225 - 2⁸ = 263603576671969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10003917629 + ... + 10003943978.

It is an arithmetic number, because the mean of its divisors is an integer number (14885849036352).

Almost surely, 2^{263603576672225} is an apocalyptic number.

263603576672225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263603576672225 is a deficient number, since it is larger than the sum of its proper divisors (93656800200223).

263603576672225 is a wasteful number, since it uses less digits than its factorization.

263603576672225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007861665 (or 20007861660 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 62.

The spelling of 263603576672225 in words is "two hundred sixty-three trillion, six hundred three billion, five hundred seventy-six million, six hundred seventy-two thousand, two hundred twenty-five".