211147513 has 4 divisors (see below), whose sum is σ = 222260560. Its totient is φ = 200034468.

The previous prime is 211147507. The next prime is 211147529. The reversal of 211147513 is 315741112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211147513 - 2¹³ = 211139321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211147543) 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, 5556495 + ... + 5556532.

It is an arithmetic number, because the mean of its divisors is an integer number (55565140).

Almost surely, 2^211147513 is an apocalyptic number.

It is an amenable number.

211147513 is a deficient number, since it is larger than the sum of its proper divisors (11113047).

211147513 is a wasteful number, since it uses less digits than its factorization.

211147513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113046.

The product of its digits is 840, while the sum is 25.

The square root of 211147513 is about 14530.9157660486. The cubic root of 211147513 is about 595.4728844320.

Adding to 211147513 its reverse (315741112), we get a palindrome (526888625).

The spelling of 211147513 in words is "two hundred eleven million, one hundred forty-seven thousand, five hundred thirteen".