522503313 has 8 divisors (see below), whose sum is σ = 737651808. Its totient is φ = 327845184.

The previous prime is 522503291. The next prime is 522503323. The reversal of 522503313 is 313305225.

It is a happy number.

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

It is not a de Polignac number, because 522503313 - 2⁵ = 522503281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522503323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5122531 + ... + 5122632.

It is an arithmetic number, because the mean of its divisors is an integer number (92206476).

Almost surely, 2^522503313 is an apocalyptic number.

It is an amenable number.

522503313 is a deficient number, since it is larger than the sum of its proper divisors (215148495).

522503313 is a wasteful number, since it uses less digits than its factorization.

522503313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245183.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 522503313 is about 22858.3313695466. The cubic root of 522503313 is about 805.4334884767.

Adding to 522503313 its reverse (313305225), we get a palindrome (835808538).

The spelling of 522503313 in words is "five hundred twenty-two million, five hundred three thousand, three hundred thirteen".