5252121 has 40 divisors (see below), whose sum is σ = 9176640. Its totient is φ = 2931552.

The previous prime is 5252111. The next prime is 5252123. The reversal of 5252121 is 1212525.

It is not a de Polignac number, because 5252121 - 2⁵ = 5252089 is a prime.

It is an alternating number because its digits alternate between odd and even.

5252121 is a modest number, since divided by 2121 gives 525 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 5252094 and 5252103.

It is not an unprimeable number, because it can be changed into a prime (5252123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33375 + ... + 33531.

It is an arithmetic number, because the mean of its divisors is an integer number (229416).

Almost surely, 2^5252121 is an apocalyptic number.

It is an amenable number.

5252121 is a deficient number, since it is larger than the sum of its proper divisors (3924519).

5252121 is a wasteful number, since it uses less digits than its factorization.

5252121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 226 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5252121 is about 2291.7506408857. The cubic root of 5252121 is about 173.8247343392.

Adding to 5252121 its reverse (1212525), we get a palindrome (6464646).

The spelling of 5252121 in words is "five million, two hundred fifty-two thousand, one hundred twenty-one".