506825815 has 32 divisors (see below), whose sum is σ = 655589376. Its totient is φ = 375154560.

The previous prime is 506825807. The next prime is 506825857. The reversal of 506825815 is 518528605.

It is not a de Polignac number, because 506825815 - 2³ = 506825807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323114 + ... + 1323496.

It is an arithmetic number, because the mean of its divisors is an integer number (20487168).

Almost surely, 2^506825815 is an apocalyptic number.

506825815 is a deficient number, since it is larger than the sum of its proper divisors (148763561).

506825815 is a wasteful number, since it uses less digits than its factorization.

506825815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 506825815 is about 22512.7922524062. The cubic root of 506825815 is about 797.2959826392.

The spelling of 506825815 in words is "five hundred six million, eight hundred twenty-five thousand, eight hundred fifteen".