536143999 has 4 divisors (see below), whose sum is σ = 537974136. Its totient is φ = 534313864.

The previous prime is 536143987. The next prime is 536144029. The reversal of 536143999 is 999341635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 536143999 - 2⁷ = 536143871 is a prime.

It is a Smith number, since the sum of its digits (49) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (536143969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914629 + ... + 915214.

It is an arithmetic number, because the mean of its divisors is an integer number (134493534).

Almost surely, 2^536143999 is an apocalyptic number.

536143999 is a deficient number, since it is larger than the sum of its proper divisors (1830137).

536143999 is a wasteful number, since it uses less digits than its factorization.

536143999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830136.

The product of its digits is 787320, while the sum is 49.

The square root of 536143999 is about 23154.7835014711. The cubic root of 536143999 is about 812.3823572157.

The spelling of 536143999 in words is "five hundred thirty-six million, one hundred forty-three thousand, nine hundred ninety-nine".