52204237 has 4 divisors (see below), whose sum is σ = 52222300. Its totient is φ = 52186176.

The previous prime is 52204231. The next prime is 52204247. The reversal of 52204237 is 73240225.

52204237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23677956 + 28526281 = 4866^2 + 5341^2 .

It is a 3-Lehmer number, since φ(52204237) divides (52204237-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52204237 is a prime.

It is a deceptive number, since it divides R_52204236.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52204231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3612 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (13055575).

It is a Poulet number, since it divides 2^52204236-1.

Almost surely, 2^52204237 is an apocalyptic number.

52204237 is the 3613-rd decagonal number.

52204237 is the 4172-nd hex number.

It is an amenable number.

52204237 is a deficient number, since it is larger than the sum of its proper divisors (18063).

52204237 is a wasteful number, since it uses less digits than its factorization.

52204237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18062.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 52204237 is about 7225.2499610740. The cubic root of 52204237 is about 373.7391419760.

It can be divided in two parts, 52204 and 237, that added together give a square (52441 = 229²).

The spelling of 52204237 in words is "fifty-two million, two hundred four thousand, two hundred thirty-seven".