1011003263 has 2 divisors, whose sum is σ = 1011003264. Its totient is φ = 1011003262.

The previous prime is 1011003251. The next prime is 1011003269. The reversal of 1011003263 is 3623001101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011003263 - 2⁴ = 1011003247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011003269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505501631 + 505501632.

It is an arithmetic number, because the mean of its divisors is an integer number (505501632).

Almost surely, 2^1011003263 is an apocalyptic number.

1011003263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011003263 is an equidigital number, since it uses as much as digits as its factorization.

1011003263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1011003263 is about 31796.2775022486. The cubic root of 1011003263 is about 1003.6543835467.

Adding to 1011003263 its reverse (3623001101), we get a palindrome (4634004364).

The spelling of 1011003263 in words is "one billion, eleven million, three thousand, two hundred sixty-three".