864263003 has 2 divisors, whose sum is σ = 864263004. Its totient is φ = 864263002.

The previous prime is 864262999. The next prime is 864263021. The reversal of 864263003 is 300362468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864263003 - 2² = 864262999 is a prime.

It is not a weakly prime, because it can be changed into another prime (864263033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432131501 + 432131502.

It is an arithmetic number, because the mean of its divisors is an integer number (432131502).

Almost surely, 2^864263003 is an apocalyptic number.

864263003 is a deficient number, since it is larger than the sum of its proper divisors (1).

864263003 is an equidigital number, since it uses as much as digits as its factorization.

864263003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 864263003 is about 29398.3503448748. The cubic root of 864263003 is about 952.5372628671.

The spelling of 864263003 in words is "eight hundred sixty-four million, two hundred sixty-three thousand, three".