52237121 has 4 divisors (see below), whose sum is σ = 52952772. Its totient is φ = 51521472.

The previous prime is 52237103. The next prime is 52237123. The reversal of 52237121 is 12173225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17850625 + 34386496 = 4225^2 + 5864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52237121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52237123) 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, 357716 + ... + 357861.

It is an arithmetic number, because the mean of its divisors is an integer number (13238193).

Almost surely, 2^52237121 is an apocalyptic number.

It is an amenable number.

52237121 is a deficient number, since it is larger than the sum of its proper divisors (715651).

52237121 is an equidigital number, since it uses as much as digits as its factorization.

52237121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715650.

The product of its digits is 840, while the sum is 23.

The square root of 52237121 is about 7227.5252334392. The cubic root of 52237121 is about 373.8175995816.

The spelling of 52237121 in words is "fifty-two million, two hundred thirty-seven thousand, one hundred twenty-one".