213313560 has 64 divisors (see below), whose sum is σ = 662018400. Its totient is φ = 54921216.

The previous prime is 213313517. The next prime is 213313567. The reversal of 213313560 is 65313312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 213313560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313567) 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 15 ways as a sum of consecutive naturals, for example, 27169 + ... + 34128.

Almost surely, 2^213313560 is an apocalyptic number.

213313560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213313560 is an abundant number, since it is smaller than the sum of its proper divisors (448704840).

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

213313560 is a wasteful number, since it uses less digits than its factorization.

213313560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61340 (or 61336 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 213313560 is about 14605.2579573248. The cubic root of 213313560 is about 597.5021714060.

Adding to 213313560 its reverse (65313312), we get a palindrome (278626872).

The spelling of 213313560 in words is "two hundred thirteen million, three hundred thirteen thousand, five hundred sixty".