522043253 has 4 divisors (see below), whose sum is σ = 526028448. Its totient is φ = 518058060.

The previous prime is 522043219. The next prime is 522043309. The reversal of 522043253 is 352340225.

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.

It is a cyclic number.

It is not a de Polignac number, because 522043253 - 2¹⁰ = 522042229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522043553) 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, 1992401 + ... + 1992662.

It is an arithmetic number, because the mean of its divisors is an integer number (131507112).

Almost surely, 2^522043253 is an apocalyptic number.

It is an amenable number.

522043253 is a deficient number, since it is larger than the sum of its proper divisors (3985195).

522043253 is a wasteful number, since it uses less digits than its factorization.

522043253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985194.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 522043253 is about 22848.2658641745. The cubic root of 522043253 is about 805.1970264745.

Adding to 522043253 its reverse (352340225), we get a palindrome (874383478).

The spelling of 522043253 in words is "five hundred twenty-two million, forty-three thousand, two hundred fifty-three".