536239645 has 4 divisors (see below), whose sum is σ = 643487580. Its totient is φ = 428991712.

The previous prime is 536239601. The next prime is 536239651. The reversal of 536239645 is 546932635.

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

It can be written as a sum of positive squares in 2 ways, for example, as 422795844 + 113443801 = 20562^2 + 10651^2 .

It is a cyclic number.

It is not a de Polignac number, because 536239645 - 2¹⁹ = 535715357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53623960 + ... + 53623969.

It is an arithmetic number, because the mean of its divisors is an integer number (160871895).

Almost surely, 2^536239645 is an apocalyptic number.

It is an amenable number.

536239645 is a deficient number, since it is larger than the sum of its proper divisors (107247935).

536239645 is a wasteful number, since it uses less digits than its factorization.

536239645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107247934.

The product of its digits is 583200, while the sum is 43.

The square root of 536239645 is about 23156.8487709360. The cubic root of 536239645 is about 812.4306629588.

The spelling of 536239645 in words is "five hundred thirty-six million, two hundred thirty-nine thousand, six hundred forty-five".