506825797 has 4 divisors (see below), whose sum is σ = 506931040. Its totient is φ = 506720556.

The previous prime is 506825783. The next prime is 506825801. The reversal of 506825797 is 797528605.

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, and also an emirpimes, since its reverse is a distinct semiprime: 797528605 = 5 ⋅159505721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506825797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506825797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506825717) 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, 45033 + ... + 55150.

It is an arithmetic number, because the mean of its divisors is an integer number (126732760).

Almost surely, 2^506825797 is an apocalyptic number.

It is an amenable number.

506825797 is a deficient number, since it is larger than the sum of its proper divisors (105243).

506825797 is a wasteful number, since it uses less digits than its factorization.

506825797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105242.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 506825797 is about 22512.7918526335. The cubic root of 506825797 is about 797.2959732005.

The spelling of 506825797 in words is "five hundred six million, eight hundred twenty-five thousand, seven hundred ninety-seven".