1028263235 has 4 divisors (see below), whose sum is σ = 1233915888. Its totient is φ = 822610584.

The previous prime is 1028263217. The next prime is 1028263279. The reversal of 1028263235 is 5323628201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028263235 - 2⁸ = 1028262979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102826319 + ... + 102826328.

It is an arithmetic number, because the mean of its divisors is an integer number (308478972).

Almost surely, 2^1028263235 is an apocalyptic number.

1028263235 is a deficient number, since it is larger than the sum of its proper divisors (205652653).

1028263235 is an equidigital number, since it uses as much as digits as its factorization.

1028263235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205652652.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1028263235 is about 32066.5438580462. The cubic root of 1028263235 is about 1009.3336895297. Note that the first 3 decimals are identical.

The spelling of 1028263235 in words is "one billion, twenty-eight million, two hundred sixty-three thousand, two hundred thirty-five".