801503 has 2 divisors, whose sum is σ = 801504. Its totient is φ = 801502.

The previous prime is 801487. The next prime is 801517. The reversal of 801503 is 305108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801503 - 2⁴ = 801487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801103) 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, 400751 + 400752.

It is an arithmetic number, because the mean of its divisors is an integer number (400752).

2⁸⁰¹⁵⁰³ is an apocalyptic number.

801503 is a deficient number, since it is larger than the sum of its proper divisors (1).

801503 is an equidigital number, since it uses as much as digits as its factorization.

801503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 801503 is about 895.2669992801. The cubic root of 801503 is about 92.8898762027.

The spelling of 801503 in words is "eight hundred one thousand, five hundred three".