52245121 has 8 divisors (see below), whose sum is σ = 55546560. Its totient is φ = 49029552.

The previous prime is 52245113. The next prime is 52245143. The reversal of 52245121 is 12154225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52245121 - 2³ = 52245113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52245092 and 52245101.

It is not an unprimeable number, because it can be changed into a prime (52245181) 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 7 ways as a sum of consecutive naturals, for example, 20211 + ... + 22648.

It is an arithmetic number, because the mean of its divisors is an integer number (6943320).

Almost surely, 2^52245121 is an apocalyptic number.

It is an amenable number.

52245121 is a deficient number, since it is larger than the sum of its proper divisors (3301439).

52245121 is a wasteful number, since it uses less digits than its factorization.

52245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42935.

The product of its digits is 800, while the sum is 22.

The square root of 52245121 is about 7228.0786520347. The cubic root of 52245121 is about 373.8366817214.

Adding to 52245121 its reverse (12154225), we get a palindrome (64399346).

The spelling of 52245121 in words is "fifty-two million, two hundred forty-five thousand, one hundred twenty-one".