536643605 has 8 divisors (see below), whose sum is σ = 644723712. Its totient is φ = 428813968.

The previous prime is 536643599. The next prime is 536643623. The reversal of 536643605 is 506346635.

It is a happy number.

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 536643605 - 2⁴ = 536643589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57869 + ... + 66498.

It is an arithmetic number, because the mean of its divisors is an integer number (80590464).

Almost surely, 2^536643605 is an apocalyptic number.

It is an amenable number.

536643605 is a deficient number, since it is larger than the sum of its proper divisors (108080107).

536643605 is a wasteful number, since it uses less digits than its factorization.

536643605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125235.

The product of its (nonzero) digits is 194400, while the sum is 38.

The square root of 536643605 is about 23165.5693864839. The cubic root of 536643605 is about 812.6346184836.

The spelling of 536643605 in words is "five hundred thirty-six million, six hundred forty-three thousand, six hundred five".