263213 has 2 divisors, whose sum is σ = 263214. Its totient is φ = 263212.

The previous prime is 263209. The next prime is 263227. The reversal of 263213 is 312362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243049 + 20164 = 493^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 263213 - 2² = 263209 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 263191 and 263200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131606 + 131607.

It is an arithmetic number, because the mean of its divisors is an integer number (131607).

2²⁶³²¹³ is an apocalyptic number.

It is an amenable number.

263213 is a deficient number, since it is larger than the sum of its proper divisors (1).

263213 is an equidigital number, since it uses as much as digits as its factorization.

263213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 263213 is about 513.0428831979. The cubic root of 263213 is about 64.0868774567.

Adding to 263213 its reverse (312362), we get a palindrome (575575).

It can be divided in two parts, 26 and 3213, that multiplied together give a palindrome (83538).

The spelling of 263213 in words is "two hundred sixty-three thousand, two hundred thirteen".