212047583 has 4 divisors (see below), whose sum is σ = 231324648. Its totient is φ = 192770520.

The previous prime is 212047547. The next prime is 212047607. The reversal of 212047583 is 385740212.

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 212047583 - 2⁶ = 212047519 is a prime.

It is a super-2 number, since 2×212047583² = 89928354912283778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212047513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9638516 + ... + 9638537.

It is an arithmetic number, because the mean of its divisors is an integer number (57831162).

Almost surely, 2^212047583 is an apocalyptic number.

212047583 is a deficient number, since it is larger than the sum of its proper divisors (19277065).

212047583 is a wasteful number, since it uses less digits than its factorization.

212047583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19277064.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 212047583 is about 14561.8536938125. The cubic root of 212047583 is about 596.3178032351.

Adding to 212047583 its reverse (385740212), we get a palindrome (597787795).

The spelling of 212047583 in words is "two hundred twelve million, forty-seven thousand, five hundred eighty-three".