263429 has 2 divisors, whose sum is σ = 263430. Its totient is φ = 263428.

The previous prime is 263423. The next prime is 263437. The reversal of 263429 is 924362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172225 + 91204 = 415^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 263429 - 2¹⁶ = 197893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 263398 and 263407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263423) 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, 131714 + 131715.

It is an arithmetic number, because the mean of its divisors is an integer number (131715).

2²⁶³⁴²⁹ is an apocalyptic number.

It is an amenable number.

263429 is a deficient number, since it is larger than the sum of its proper divisors (1).

263429 is an equidigital number, since it uses as much as digits as its factorization.

263429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 263429 is about 513.2533487470. The cubic root of 263429 is about 64.1044031623.

The spelling of 263429 in words is "two hundred sixty-three thousand, four hundred twenty-nine".