536281 has 2 divisors, whose sum is σ = 536282. Its totient is φ = 536280.

The previous prime is 536279. The next prime is 536287. The reversal of 536281 is 182635.

It is a happy number.

536281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 80656 = 675^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 536281 - 2¹ = 536279 is a prime.

It is a super-2 number, since 2×536281² = 575194621922, which contains 22 as substring.

Together with 536279, it forms a pair of twin primes.

536281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (536287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268140 + 268141.

It is an arithmetic number, because the mean of its divisors is an integer number (268141).

2⁵³⁶²⁸¹ is an apocalyptic number.

536281 is the 328-th centered decagonal number.

It is an amenable number.

536281 is a deficient number, since it is larger than the sum of its proper divisors (1).

536281 is an equidigital number, since it uses as much as digits as its factorization.

536281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 536281 is about 732.3120919389. The cubic root of 536281 is about 81.2451547406.

The spelling of 536281 in words is "five hundred thirty-six thousand, two hundred eighty-one".