536653221 has 16 divisors (see below), whose sum is σ = 771503040. Its totient is φ = 329852160.

The previous prime is 536653199. The next prime is 536653259. The reversal of 536653221 is 122356635.

It is not a de Polignac number, because 536653221 - 2⁵ = 536653189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536653261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26550 + ... + 42168.

It is an arithmetic number, because the mean of its divisors is an integer number (48218940).

Almost surely, 2^536653221 is an apocalyptic number.

It is an amenable number.

536653221 is a deficient number, since it is larger than the sum of its proper divisors (234849819).

536653221 is a wasteful number, since it uses less digits than its factorization.

536653221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16516.

The product of its digits is 32400, while the sum is 33.

The square root of 536653221 is about 23165.7769349530. The cubic root of 536653221 is about 812.6394722622.

The spelling of 536653221 in words is "five hundred thirty-six million, six hundred fifty-three thousand, two hundred twenty-one".