263072 has 12 divisors (see below), whose sum is σ = 517986.
Its totient is φ = 131520.
The previous prime is 263071. The next prime is 263077. The reversal of 263072 is 270362.
It can be written as a sum of positive squares in only one way, i.e., 163216 + 99856 = 404^2 + 316^2
It is not an unprimeable number, because it can be changed into a prime (263071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079 + ... + 4142.
2263072 is an apocalyptic number.
It is an amenable number.
263072 is a deficient number, since it is larger than the sum of its proper divisors (254914).
263072 is an equidigital number, since it uses as much as digits as its factorization.
263072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8231 (or 8223 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 263072 is about 512.9054493764.
The cubic root of 263072 is about 64.0754318926.
The spelling of 263072 in words is "two hundred sixty-three thousand, seventy-two".