36541521 has 12 divisors (see below), whose sum is σ = 52973700. Its totient is φ = 24272640.

The previous prime is 36541511. The next prime is 36541523. The reversal of 36541521 is 12514563.

36541521 is a `hidden beast` number, since 3 + 654 + 1 + 5 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31979025 + 4562496 = 5655^2 + 2136^2 .

It is not a de Polignac number, because 36541521 - 2¹⁵ = 36508753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36541523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4696 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (4414475).

Almost surely, 2^36541521 is an apocalyptic number.

It is an amenable number.

36541521 is a deficient number, since it is larger than the sum of its proper divisors (16432179).

36541521 is a wasteful number, since it uses less digits than its factorization.

36541521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736 (or 14733 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 36541521 is about 6044.9583125113. The cubic root of 36541521 is about 331.8401060273.

The spelling of 36541521 in words is "thirty-six million, five hundred forty-one thousand, five hundred twenty-one".