503420113 has 16 divisors (see below), whose sum is σ = 616584960. Its totient is φ = 401582016.

The previous prime is 503420107. The next prime is 503420119. The reversal of 503420113 is 311024305.

It is an interprime number because it is at equal distance from previous prime (503420107) and next prime (503420119).

It is not a de Polignac number, because 503420113 - 2²⁵ = 469865681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503420119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36298 + ... + 48211.

It is an arithmetic number, because the mean of its divisors is an integer number (38536560).

Almost surely, 2^503420113 is an apocalyptic number.

It is an amenable number.

503420113 is a deficient number, since it is larger than the sum of its proper divisors (113164847).

503420113 is a wasteful number, since it uses less digits than its factorization.

503420113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84576.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 503420113 is about 22437.0254935898. The cubic root of 503420113 is about 795.5061123391.

Adding to 503420113 its reverse (311024305), we get a palindrome (814444418).

The spelling of 503420113 in words is "five hundred three million, four hundred twenty thousand, one hundred thirteen".