536893281 has 12 divisors (see below), whose sum is σ = 775979152. Its totient is φ = 357713496.

The previous prime is 536893277. The next prime is 536893283. The reversal of 536893281 is 182398635.

It is a happy number.

536893281 is a `hidden beast` number, since 5 + 368 + 9 + 3 + 281 = 666.

It is not a de Polignac number, because 536893281 - 2² = 536893277 is a prime.

It is a super-2 number, since 2×536893281² = 576508790365889922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536893283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351 + ... + 32796.

Almost surely, 2^536893281 is an apocalyptic number.

It is an amenable number.

536893281 is a deficient number, since it is larger than the sum of its proper divisors (239085871).

536893281 is a wasteful number, since it uses less digits than its factorization.

536893281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35900 (or 35897 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 536893281 is about 23170.9577057143. The cubic root of 536893281 is about 812.7606263227.

The spelling of 536893281 in words is "five hundred thirty-six million, eight hundred ninety-three thousand, two hundred eighty-one".