8252121 has 4 divisors (see below), whose sum is σ = 11002832. Its totient is φ = 5501412.

The previous prime is 8252093. The next prime is 8252129. The reversal of 8252121 is 1212528.

It is a happy number.

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 not a de Polignac number, because 8252121 - 2¹⁰ = 8251097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8252129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375351 + ... + 1375356.

It is an arithmetic number, because the mean of its divisors is an integer number (2750708).

Almost surely, 2^8252121 is an apocalyptic number.

It is an amenable number.

8252121 is a deficient number, since it is larger than the sum of its proper divisors (2750711).

8252121 is a wasteful number, since it uses less digits than its factorization.

8252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750710.

The product of its digits is 320, while the sum is 21.

The square root of 8252121 is about 2872.6505182497. The cubic root of 8252121 is about 202.0793156486.

Adding to 8252121 its reverse (1212528), we get a palindrome (9464649).

The spelling of 8252121 in words is "eight million, two hundred fifty-two thousand, one hundred twenty-one".