36521779 has 16 divisors (see below), whose sum is σ = 42603520. Its totient is φ = 30663360.

The previous prime is 36521753. The next prime is 36521783. The reversal of 36521779 is 97712563.

36521779 = T₅₀ + T₅₁ + ... + T₆₀₂.

36521779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36521779 - 2⁵ = 36521747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36521789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116527 + ... + 116839.

It is an arithmetic number, because the mean of its divisors is an integer number (2662720).

Almost surely, 2^36521779 is an apocalyptic number.

36521779 is a deficient number, since it is larger than the sum of its proper divisors (6081741).

36521779 is a wasteful number, since it uses less digits than its factorization.

36521779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 79380, while the sum is 40.

The square root of 36521779 is about 6043.3251608696. The cubic root of 36521779 is about 331.7803350478.

The spelling of 36521779 in words is "thirty-six million, five hundred twenty-one thousand, seven hundred seventy-nine".