263028427 has 2 divisors, whose sum is σ = 263028428. Its totient is φ = 263028426.

The previous prime is 263028421. The next prime is 263028439. The reversal of 263028427 is 724820362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263028427 - 2¹⁵ = 262995659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263028392 and 263028401.

It is not a weakly prime, because it can be changed into another prime (263028421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131514213 + 131514214.

It is an arithmetic number, because the mean of its divisors is an integer number (131514214).

Almost surely, 2^263028427 is an apocalyptic number.

263028427 is a deficient number, since it is larger than the sum of its proper divisors (1).

263028427 is an equidigital number, since it uses as much as digits as its factorization.

263028427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 263028427 is about 16218.1511585014. The cubic root of 263028427 is about 640.7189406146.

Adding to 263028427 its reverse (724820362), we get a palindrome (987848789).

The spelling of 263028427 in words is "two hundred sixty-three million, twenty-eight thousand, four hundred twenty-seven".