263026427 has 2 divisors, whose sum is σ = 263026428. Its totient is φ = 263026426.

The previous prime is 263026349. The next prime is 263026457. The reversal of 263026427 is 724620362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263026427 - 2¹⁰ = 263025403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 263026393 and 263026402.

It is not a weakly prime, because it can be changed into another prime (263026457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131513213 + 131513214.

It is an arithmetic number, because the mean of its divisors is an integer number (131513214).

Almost surely, 2^263026427 is an apocalyptic number.

263026427 is a deficient number, since it is larger than the sum of its proper divisors (1).

263026427 is an equidigital number, since it uses as much as digits as its factorization.

263026427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 263026427 is about 16218.0894990748. The cubic root of 263026427 is about 640.7173166569.

Adding to 263026427 its reverse (724620362), we get a palindrome (987646789).

The spelling of 263026427 in words is "two hundred sixty-three million, twenty-six thousand, four hundred twenty-seven".