263215 has 8 divisors (see below), whose sum is σ = 321408. Its totient is φ = 206880.

The previous prime is 263213. The next prime is 263227. The reversal of 263215 is 512362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263215 - 2¹ = 263213 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 6³ + 2¹⁷ + 3⁶ + 1 + 5³ .

It is a Duffinian number.

263215 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 263192 and 263201.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2²⁶³²¹⁵ is an apocalyptic number.

263215 is a deficient number, since it is larger than the sum of its proper divisors (58193).

263215 is an equidigital number, since it uses as much as digits as its factorization.

263215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its digits is 360, while the sum is 19.

The square root of 263215 is about 513.0448323490. The cubic root of 263215 is about 64.0870397757.

Adding to 263215 its reverse (512362), we get a palindrome (775577).

The spelling of 263215 in words is "two hundred sixty-three thousand, two hundred fifteen".