5682121 has 4 divisors (see below), whose sum is σ = 5981200. Its totient is φ = 5383044.

The previous prime is 5682119. The next prime is 5682137. The reversal of 5682121 is 1212865.

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 5682121 - 2¹ = 5682119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5682151) 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 3 ways as a sum of consecutive naturals, for example, 149511 + ... + 149548.

It is an arithmetic number, because the mean of its divisors is an integer number (1495300).

Almost surely, 2^5682121 is an apocalyptic number.

It is an amenable number.

5682121 is a deficient number, since it is larger than the sum of its proper divisors (299079).

5682121 is a wasteful number, since it uses less digits than its factorization.

5682121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299078.

The product of its digits is 960, while the sum is 25.

The square root of 5682121 is about 2383.7199919454. The cubic root of 5682121 is about 178.4446338917. Note that the first 3 decimals are identical.

Adding to 5682121 its reverse (1212865), we get a palindrome (6894986).

The spelling of 5682121 in words is "five million, six hundred eighty-two thousand, one hundred twenty-one".