900803 has 2 divisors, whose sum is σ = 900804. Its totient is φ = 900802.

The previous prime is 900797. The next prime is 900817. The reversal of 900803 is 308009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900803 - 2¹⁰ = 899779 is a prime.

It is a super-2 number, since 2×900803² = 1622892089618, which contains 22 as substring.

It is a Chen prime.

It is equal to p₇₁₃₃₆ and since 900803 and 71336 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (900863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450401 + 450402.

It is an arithmetic number, because the mean of its divisors is an integer number (450402).

2⁹⁰⁰⁸⁰³ is an apocalyptic number.

900803 is a deficient number, since it is larger than the sum of its proper divisors (1).

900803 is an equidigital number, since it uses as much as digits as its factorization.

900803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 900803 is about 949.1064218516. The cubic root of 900803 is about 96.5776442944.

The spelling of 900803 in words is "nine hundred thousand, eight hundred three".