503336397 has 4 divisors (see below), whose sum is σ = 671115200. Its totient is φ = 335557596.

The previous prime is 503336369. The next prime is 503336411. The reversal of 503336397 is 793633305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 503336397 - 2¹⁰ = 503335373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503336597) 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 in 3 ways as a sum of consecutive naturals, for example, 83889397 + ... + 83889402.

It is an arithmetic number, because the mean of its divisors is an integer number (167778800).

Almost surely, 2^503336397 is an apocalyptic number.

It is an amenable number.

503336397 is a deficient number, since it is larger than the sum of its proper divisors (167778803).

503336397 is a wasteful number, since it uses less digits than its factorization.

503336397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167778802.

The product of its (nonzero) digits is 153090, while the sum is 39.

The square root of 503336397 is about 22435.1598389670. The cubic root of 503336397 is about 795.4620137954.

The spelling of 503336397 in words is "five hundred three million, three hundred thirty-six thousand, three hundred ninety-seven".