522253030513 has 4 divisors (see below), whose sum is σ = 534990909348. Its totient is φ = 509515151680.

The previous prime is 522253030499. The next prime is 522253030561. The reversal of 522253030513 is 315030352225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44561943409 + 477691087104 = 211097^2 + 691152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522253030513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522253030573) 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, 6368939356 + ... + 6368939437.

It is an arithmetic number, because the mean of its divisors is an integer number (133747727337).

Almost surely, 2^522253030513 is an apocalyptic number.

It is an amenable number.

522253030513 is a deficient number, since it is larger than the sum of its proper divisors (12737878835).

522253030513 is a wasteful number, since it uses less digits than its factorization.

522253030513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737878834.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 522253030513 its reverse (315030352225), we get a palindrome (837283382738).

The spelling of 522253030513 in words is "five hundred twenty-two billion, two hundred fifty-three million, thirty thousand, five hundred thirteen".