536641021 has 8 divisors (see below), whose sum is σ = 619259264. Its totient is φ = 455511600.

The previous prime is 536641019. The next prime is 536641069. The reversal of 536641021 is 120146635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 536641021 - 2¹ = 536641019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536641321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371430 + ... + 372871.

It is an arithmetic number, because the mean of its divisors is an integer number (77407408).

Almost surely, 2^536641021 is an apocalyptic number.

It is an amenable number.

536641021 is a deficient number, since it is larger than the sum of its proper divisors (82618243).

536641021 is a wasteful number, since it uses less digits than its factorization.

536641021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744411.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 536641021 is about 23165.5136139909. The cubic root of 536641021 is about 812.6333141721.

Adding to 536641021 its reverse (120146635), we get a palindrome (656787656).

The spelling of 536641021 in words is "five hundred thirty-six million, six hundred forty-one thousand, twenty-one".