36069521 has 8 divisors (see below), whose sum is σ = 37001664. Its totient is φ = 35146800.

The previous prime is 36069511. The next prime is 36069541. The reversal of 36069521 is 12596063.

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 36069521 - 2⁶ = 36069457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36069511) 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, 5750 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (4625208).

Almost surely, 2^36069521 is an apocalyptic number.

It is an amenable number.

36069521 is a deficient number, since it is larger than the sum of its proper divisors (932143).

36069521 is a wasteful number, since it uses less digits than its factorization.

36069521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 36069521 is about 6005.7906223910. The cubic root of 36069521 is about 330.4051375526.

The spelling of 36069521 in words is "thirty-six million, sixty-nine thousand, five hundred twenty-one".