506013919 has 4 divisors (see below), whose sum is σ = 506900680. Its totient is φ = 505127160.

The previous prime is 506013889. The next prime is 506013929. The reversal of 506013919 is 919310605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506013919 - 2¹¹ = 506011871 is a prime.

It is a super-2 number, since 2×506013919² = 512100172443477122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506013929) 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, 442524 + ... + 443665.

It is an arithmetic number, because the mean of its divisors is an integer number (126725170).

Almost surely, 2^506013919 is an apocalyptic number.

506013919 is a deficient number, since it is larger than the sum of its proper divisors (886761).

506013919 is an equidigital number, since it uses as much as digits as its factorization.

506013919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886760.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 506013919 is about 22494.7531437889. The cubic root of 506013919 is about 796.8700194773.

The spelling of 506013919 in words is "five hundred six million, thirteen thousand, nine hundred nineteen".