212613563 has 4 divisors (see below), whose sum is σ = 212986488. Its totient is φ = 212240640.

The previous prime is 212613503. The next prime is 212613607. The reversal of 212613563 is 365316212.

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

It is a cyclic number.

It is not a de Polignac number, because 212613563 - 2¹⁶ = 212548027 is a prime.

It is a super-3 number, since 3×212613563³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212613503) 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, 185606 + ... + 186747.

It is an arithmetic number, because the mean of its divisors is an integer number (53246622).

Almost surely, 2^212613563 is an apocalyptic number.

212613563 is a deficient number, since it is larger than the sum of its proper divisors (372925).

212613563 is an equidigital number, since it uses as much as digits as its factorization.

212613563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372924.

The product of its digits is 6480, while the sum is 29.

The square root of 212613563 is about 14581.2743956075. The cubic root of 212613563 is about 596.8478794106.

Adding to 212613563 its reverse (365316212), we get a palindrome (577929775).

The spelling of 212613563 in words is "two hundred twelve million, six hundred thirteen thousand, five hundred sixty-three".