5312121 has 4 divisors (see below), whose sum is σ = 7082832. Its totient is φ = 3541412.

The previous prime is 5312117. The next prime is 5312141. The reversal of 5312121 is 1212135.

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 5312121 - 2² = 5312117 is a prime.

It is a D-number.

5312121 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5312121.

It is not an unprimeable number, because it can be changed into a prime (5312101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885351 + ... + 885356.

It is an arithmetic number, because the mean of its divisors is an integer number (1770708).

Almost surely, 2^5312121 is an apocalyptic number.

It is an amenable number.

5312121 is a deficient number, since it is larger than the sum of its proper divisors (1770711).

5312121 is a wasteful number, since it uses less digits than its factorization.

5312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770710.

The product of its digits is 60, while the sum is 15.

The square root of 5312121 is about 2304.8038962133. The cubic root of 5312121 is about 174.4841516738.

Adding to 5312121 its reverse (1212135), we get a palindrome (6524256).

The spelling of 5312121 in words is "five million, three hundred twelve thousand, one hundred twenty-one".