536039621 has 4 divisors (see below), whose sum is σ = 577273452. Its totient is φ = 494805792.

The previous prime is 536039599. The next prime is 536039663. The reversal of 536039621 is 126930635.

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 120450625 + 415588996 = 10975^2 + 20386^2 .

It is a de Polignac number, because none of the positive numbers 2^k-536039621 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 (536036621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20616896 + ... + 20616921.

It is an arithmetic number, because the mean of its divisors is an integer number (144318363).

Almost surely, 2^536039621 is an apocalyptic number.

It is an amenable number.

536039621 is a deficient number, since it is larger than the sum of its proper divisors (41233831).

536039621 is a wasteful number, since it uses less digits than its factorization.

536039621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41233830.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 536039621 is about 23152.5294730403. The cubic root of 536039621 is about 812.3296348444.

The spelling of 536039621 in words is "five hundred thirty-six million, thirty-nine thousand, six hundred twenty-one".