503030401 has 8 divisors (see below), whose sum is σ = 533799360. Its totient is φ = 473002992.

The previous prime is 503030393. The next prime is 503030419. The reversal of 503030401 is 104030305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503030401 - 2³ = 503030393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503030501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183990 + ... + 186703.

It is an arithmetic number, because the mean of its divisors is an integer number (66724920).

Almost surely, 2^503030401 is an apocalyptic number.

It is an amenable number.

503030401 is a deficient number, since it is larger than the sum of its proper divisors (30768959).

503030401 is a wasteful number, since it uses less digits than its factorization.

503030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370775.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 503030401 is about 22428.3392385616. The cubic root of 503030401 is about 795.3007846201.

Adding to 503030401 its reverse (104030305), we get a palindrome (607060706).

The spelling of 503030401 in words is "five hundred three million, thirty thousand, four hundred one".