52683281 has 6 divisors (see below), whose sum is σ = 61284690. Its totient is φ = 45157056.

The previous prime is 52683277. The next prime is 52683307. The reversal of 52683281 is 18238625.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 2202256 = 7105^2 + 1484^2 .

It is not a de Polignac number, because 52683281 - 2² = 52683277 is a prime.

It is a super-2 number, since 2×52683281² = 5551056193849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52683251) 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 5 ways as a sum of consecutive naturals, for example, 537536 + ... + 537633.

It is an arithmetic number, because the mean of its divisors is an integer number (10214115).

Almost surely, 2^52683281 is an apocalyptic number.

It is an amenable number.

52683281 is a deficient number, since it is larger than the sum of its proper divisors (8601409).

52683281 is a wasteful number, since it uses less digits than its factorization.

52683281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075183 (or 1075176 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 52683281 is about 7258.3249445034. The cubic root of 52683281 is about 374.8788491604.

The spelling of 52683281 in words is "fifty-two million, six hundred eighty-three thousand, two hundred eighty-one".