503450413 has 8 divisors (see below), whose sum is σ = 511687800. Its totient is φ = 495249408.

The previous prime is 503450333. The next prime is 503450419. The reversal of 503450413 is 314054305.

It can be written as a sum of positive squares in 4 ways, for example, as 67601284 + 435849129 = 8222^2 + 20877^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503450413 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 (503450419) 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, 19533 + ... + 37261.

It is an arithmetic number, because the mean of its divisors is an integer number (63960975).

Almost surely, 2^503450413 is an apocalyptic number.

It is an amenable number.

503450413 is a deficient number, since it is larger than the sum of its proper divisors (8237387).

503450413 is a wasteful number, since it uses less digits than its factorization.

503450413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 503450413 is about 22437.7007066232. The cubic root of 503450413 is about 795.5220720720.

The spelling of 503450413 in words is "five hundred three million, four hundred fifty thousand, four hundred thirteen".