263216 has 10 divisors (see below), whose sum is σ = 510012. Its totient is φ = 131600.

The previous prime is 263213. The next prime is 263227. The reversal of 263216 is 612362.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (263213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8210 + ... + 8241.

2²⁶³²¹⁶ is an apocalyptic number.

It is an amenable number.

263216 is a deficient number, since it is larger than the sum of its proper divisors (246796).

263216 is a wasteful number, since it uses less digits than its factorization.

263216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459 (or 16453 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 263216 is about 513.0458069218. The cubic root of 263216 is about 64.0871209349.

Adding to 263216 its reverse (612362), we get a palindrome (875578).

The spelling of 263216 in words is "two hundred sixty-three thousand, two hundred sixteen".