503355413 has 4 divisors (see below), whose sum is σ = 549115008. Its totient is φ = 457595820.

The previous prime is 503355361. The next prime is 503355421. The reversal of 503355413 is 314553305.

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 503355413 - 2⁸ = 503355157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503355313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22879781 + ... + 22879802.

It is an arithmetic number, because the mean of its divisors is an integer number (137278752).

Almost surely, 2^503355413 is an apocalyptic number.

It is an amenable number.

503355413 is a deficient number, since it is larger than the sum of its proper divisors (45759595).

503355413 is a wasteful number, since it uses less digits than its factorization.

503355413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45759594.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 503355413 is about 22435.5836340399. The cubic root of 503355413 is about 795.4720311616.

The spelling of 503355413 in words is "five hundred three million, three hundred fifty-five thousand, four hundred thirteen".