52672121 has 4 divisors (see below), whose sum is σ = 52819200. Its totient is φ = 52525044.

The previous prime is 52672111. The next prime is 52672133. The reversal of 52672121 is 12127625.

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 a de Polignac number, because none of the positive numbers 2^k-52672121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52672111) 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, 73001 + ... + 73718.

It is an arithmetic number, because the mean of its divisors is an integer number (13204800).

Almost surely, 2^52672121 is an apocalyptic number.

It is an amenable number.

52672121 is a deficient number, since it is larger than the sum of its proper divisors (147079).

52672121 is a wasteful number, since it uses less digits than its factorization.

52672121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147078.

The product of its digits is 1680, while the sum is 26.

The square root of 52672121 is about 7257.5561313709. The cubic root of 52672121 is about 374.8523768570.

Adding to 52672121 its reverse (12127625), we get a palindrome (64799746).

The spelling of 52672121 in words is "fifty-two million, six hundred seventy-two thousand, one hundred twenty-one".