52281337 has 4 divisors (see below), whose sum is σ = 52799076. Its totient is φ = 51763600.

The previous prime is 52281301. The next prime is 52281349. The reversal of 52281337 is 73318225.

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 51322896 + 958441 = 7164^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 52281337 - 2¹¹ = 52279289 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52281299 and 52281308.

It is not an unprimeable number, because it can be changed into a prime (52281367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258718 + ... + 258919.

It is an arithmetic number, because the mean of its divisors is an integer number (13199769).

Almost surely, 2^52281337 is an apocalyptic number.

It is an amenable number.

52281337 is a deficient number, since it is larger than the sum of its proper divisors (517739).

52281337 is a wasteful number, since it uses less digits than its factorization.

52281337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517738.

The product of its digits is 10080, while the sum is 31.

The square root of 52281337 is about 7230.5834481043. The cubic root of 52281337 is about 373.9230422074.

The spelling of 52281337 in words is "fifty-two million, two hundred eighty-one thousand, three hundred thirty-seven".