213560560 has 20 divisors (see below), whose sum is σ = 496528488. Its totient is φ = 85424192.

The previous prime is 213560537. The next prime is 213560563. The reversal of 213560560 is 65065312.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×213560560³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213560563) 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, 1334674 + ... + 1334833.

Almost surely, 2^213560560 is an apocalyptic number.

213560560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213560560 is an abundant number, since it is smaller than the sum of its proper divisors (282967928).

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

213560560 is a wasteful number, since it uses less digits than its factorization.

213560560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669520 (or 2669514 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 213560560 is about 14613.7113698061. The cubic root of 213560560 is about 597.7327023200.

The spelling of 213560560 in words is "two hundred thirteen million, five hundred sixty thousand, five hundred sixty".