5211612 has 36 divisors (see below), whose sum is σ = 15056496. Its totient is φ = 1488960.

The previous prime is 5211607. The next prime is 5211623. The reversal of 5211612 is 2161125.

5211612 is a `hidden beast` number, since 52 + 1 + 1 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10089 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (418236).

Almost surely, 2^5211612 is an apocalyptic number.

It is an amenable number.

5211612 is an abundant number, since it is smaller than the sum of its proper divisors (9844884).

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

5211612 is a wasteful number, since it uses less digits than its factorization.

5211612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20698 (or 20693 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 5211612 is about 2282.8955298042. The cubic root of 5211612 is about 173.3766837660.

Adding to 5211612 its reverse (2161125), we get a palindrome (7372737).

It can be divided in two parts, 52 and 11612, that added together give a square (11664 = 108²).

The spelling of 5211612 in words is "five million, two hundred eleven thousand, six hundred twelve".