5285681 has 2 divisors, whose sum is σ = 5285682. Its totient is φ = 5285680.

The previous prime is 5285677. The next prime is 5285713. The reversal of 5285681 is 1865825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 379456 = 2215^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285681 - 2² = 5285677 is a prime.

It is a super-2 number, since 2×5285681² = 55876847267522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5285611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642840 + 2642841.

It is an arithmetic number, because the mean of its divisors is an integer number (2642841).

Almost surely, 2^5285681 is an apocalyptic number.

It is an amenable number.

5285681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5285681 is an equidigital number, since it uses as much as digits as its factorization.

5285681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 35.

The square root of 5285681 is about 2299.0608952353. The cubic root of 5285681 is about 174.1941836161.

The spelling of 5285681 in words is "five million, two hundred eighty-five thousand, six hundred eighty-one".