36319521 has 16 divisors (see below), whose sum is σ = 55430144. Its totient is φ = 20721744.

The previous prime is 36319519. The next prime is 36319529. The reversal of 36319521 is 12591363.

It is not a de Polignac number, because 36319521 - 2¹ = 36319519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36319529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21510 + ... + 23136.

It is an arithmetic number, because the mean of its divisors is an integer number (3464384).

Almost surely, 2^36319521 is an apocalyptic number.

It is an amenable number.

36319521 is a deficient number, since it is larger than the sum of its proper divisors (19110623).

36319521 is a wasteful number, since it uses less digits than its factorization.

36319521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its digits is 4860, while the sum is 30.

The square root of 36319521 is about 6026.5679287634. The cubic root of 36319521 is about 331.1667332657.

The spelling of 36319521 in words is "thirty-six million, three hundred nineteen thousand, five hundred twenty-one".