36513541 has 4 divisors (see below), whose sum is σ = 36562284. Its totient is φ = 36464800.

The previous prime is 36513539. The next prime is 36513551. The reversal of 36513541 is 14531563.

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 2989441 + 33524100 = 1729^2 + 5790^2 .

It is a cyclic number.

It is not a de Polignac number, because 36513541 - 2¹ = 36513539 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 (36513511) 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 3 ways as a sum of consecutive naturals, for example, 23230 + ... + 24751.

It is an arithmetic number, because the mean of its divisors is an integer number (9140571).

Almost surely, 2^36513541 is an apocalyptic number.

It is an amenable number.

36513541 is a deficient number, since it is larger than the sum of its proper divisors (48743).

36513541 is an equidigital number, since it uses as much as digits as its factorization.

36513541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48742.

The product of its digits is 5400, while the sum is 28.

The square root of 36513541 is about 6042.6435440128. The cubic root of 36513541 is about 331.7553872677.

The spelling of 36513541 in words is "thirty-six million, five hundred thirteen thousand, five hundred forty-one".