213001563522 has 16 divisors (see below), whose sum is σ = 464730684192. Its totient is φ = 64545928320.

The previous prime is 213001563499. The next prime is 213001563539. The reversal of 213001563522 is 225365100312.

It is a self number, because there is not a number n which added to its sum of digits gives 213001563522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613648143 + ... + 1613648274.

It is an arithmetic number, because the mean of its divisors is an integer number (29045667762).

Almost surely, 2^213001563522 is an apocalyptic number.

213001563522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213001563522 is an abundant number, since it is smaller than the sum of its proper divisors (251729120670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213001563522 is a wasteful number, since it uses less digits than its factorization.

213001563522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227296433.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 213001563522 its reverse (225365100312), we get a palindrome (438366663834).

The spelling of 213001563522 in words is "two hundred thirteen billion, one million, five hundred sixty-three thousand, five hundred twenty-two".