506252723 has 4 divisors (see below), whose sum is σ = 522583488. Its totient is φ = 489921960.

The previous prime is 506252699. The next prime is 506252743. The reversal of 506252723 is 327252605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506252723 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 506252723.

It is not an unprimeable number, because it can be changed into a prime (506252743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8165336 + ... + 8165397.

It is an arithmetic number, because the mean of its divisors is an integer number (130645872).

Almost surely, 2^506252723 is an apocalyptic number.

506252723 is a deficient number, since it is larger than the sum of its proper divisors (16330765).

506252723 is a wasteful number, since it uses less digits than its factorization.

506252723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330764.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 506252723 is about 22500.0605110297. The cubic root of 506252723 is about 796.9953558322.

The spelling of 506252723 in words is "five hundred six million, two hundred fifty-two thousand, seven hundred twenty-three".