263287045 has 12 divisors (see below), whose sum is σ = 367527564. Its totient is φ = 180539520.

The previous prime is 263287021. The next prime is 263287051. The reversal of 263287045 is 540782362.

263287045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 95765796 + 167521249 = 9786^2 + 12943^2 .

It is not a de Polignac number, because 263287045 - 2⁷ = 263286917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263286995 and 263287013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537076 + ... + 537565.

It is an arithmetic number, because the mean of its divisors is an integer number (30627297).

Almost surely, 2^263287045 is an apocalyptic number.

It is an amenable number.

263287045 is a deficient number, since it is larger than the sum of its proper divisors (104240519).

263287045 is a wasteful number, since it uses less digits than its factorization.

263287045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074660 (or 1074653 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 263287045 is about 16226.1223032492. The cubic root of 263287045 is about 640.9288636444.

The spelling of 263287045 in words is "two hundred sixty-three million, two hundred eighty-seven thousand, forty-five".