506249215 has 4 divisors (see below), whose sum is σ = 607499064. Its totient is φ = 404999368.

The previous prime is 506249213. The next prime is 506249231. The reversal of 506249215 is 512942605.

It is a happy number.

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 506249215 - 2¹ = 506249213 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 (506249213) 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, 50624917 + ... + 50624926.

It is an arithmetic number, because the mean of its divisors is an integer number (151874766).

Almost surely, 2^506249215 is an apocalyptic number.

506249215 is a deficient number, since it is larger than the sum of its proper divisors (101249849).

506249215 is a wasteful number, since it uses less digits than its factorization.

506249215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101249848.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 506249215 is about 22499.9825555488. The cubic root of 506249215 is about 796.9935149426.

The spelling of 506249215 in words is "five hundred six million, two hundred forty-nine thousand, two hundred fifteen".