506250312397 has 8 divisors (see below), whose sum is σ = 548495551296. Its totient is φ = 465390163392.

The previous prime is 506250312391. The next prime is 506250312401. The reversal of 506250312397 is 793213052605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506250312397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506250312391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346271713 + ... + 346273174.

It is an arithmetic number, because the mean of its divisors is an integer number (68561943912).

Almost surely, 2^506250312397 is an apocalyptic number.

It is an amenable number.

506250312397 is a deficient number, since it is larger than the sum of its proper divisors (42245238899).

506250312397 is a wasteful number, since it uses less digits than its factorization.

506250312397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692544947.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 506250312397 in words is "five hundred six billion, two hundred fifty million, three hundred twelve thousand, three hundred ninety-seven".