36640513 has 16 divisors (see below), whose sum is σ = 45440640. Its totient is φ = 28768896.

The previous prime is 36640507. The next prime is 36640517. The reversal of 36640513 is 31504663.

It is a de Polignac number, because none of the positive numbers 2^k-36640513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36640517) 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 15 ways as a sum of consecutive naturals, for example, 10998 + ... + 13936.

It is an arithmetic number, because the mean of its divisors is an integer number (2840040).

Almost surely, 2^36640513 is an apocalyptic number.

It is an amenable number.

36640513 is a deficient number, since it is larger than the sum of its proper divisors (8800127).

36640513 is a wasteful number, since it uses less digits than its factorization.

36640513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 36640513 is about 6053.1407550131. The cubic root of 36640513 is about 332.1394905450.

The spelling of 36640513 in words is "thirty-six million, six hundred forty thousand, five hundred thirteen".