506486213 has 4 divisors (see below), whose sum is σ = 507172320. Its totient is φ = 505800108.

The previous prime is 506486209. The next prime is 506486231. The reversal of 506486213 is 312684605.

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 a cyclic number.

It is not a de Polignac number, because 506486213 - 2² = 506486209 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 (506486413) 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, 341945 + ... + 343422.

It is an arithmetic number, because the mean of its divisors is an integer number (126793080).

Almost surely, 2^506486213 is an apocalyptic number.

It is an amenable number.

506486213 is a deficient number, since it is larger than the sum of its proper divisors (686107).

506486213 is an equidigital number, since it uses as much as digits as its factorization.

506486213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686106.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 506486213 is about 22505.2485656124. The cubic root of 506486213 is about 797.1178650293.

The spelling of 506486213 in words is "five hundred six million, four hundred eighty-six thousand, two hundred thirteen".