503494801 has 6 divisors (see below), whose sum is σ = 516076406. Its totient is φ = 491212800.

The previous prime is 503494799. The next prime is 503494811. The reversal of 503494801 is 108494305.

It can be written as a sum of positive squares in 3 ways, for example, as 1690000 + 501804801 = 1300^2 + 22401^2 .

It is not a de Polignac number, because 503494801 - 2¹ = 503494799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503494811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148080 + ... + 151441.

Almost surely, 2^503494801 is an apocalyptic number.

It is an amenable number.

503494801 is a deficient number, since it is larger than the sum of its proper divisors (12581605).

503494801 is an equidigital number, since it uses as much as digits as its factorization.

503494801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299603 (or 299562 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 503494801 is about 22438.6898236060. The cubic root of 503494801 is about 795.5454511345.

The spelling of 503494801 in words is "five hundred three million, four hundred ninety-four thousand, eight hundred one".