263273 has 2 divisors, whose sum is σ = 263274. Its totient is φ = 263272.

The previous prime is 263269. The next prime is 263287. The reversal of 263273 is 372362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 80089 = 428^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 263273 - 2² = 263269 is a prime.

It is not a weakly prime, because it can be changed into another prime (263213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131636 + 131637.

It is an arithmetic number, because the mean of its divisors is an integer number (131637).

2²⁶³²⁷³ is an apocalyptic number.

It is an amenable number.

263273 is a deficient number, since it is larger than the sum of its proper divisors (1).

263273 is an equidigital number, since it uses as much as digits as its factorization.

263273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 263273 is about 513.1013545100. The cubic root of 263273 is about 64.0917466697.

The spelling of 263273 in words is "two hundred sixty-three thousand, two hundred seventy-three".