36640523 has 2 divisors, whose sum is σ = 36640524. Its totient is φ = 36640522.

The previous prime is 36640517. The next prime is 36640537. The reversal of 36640523 is 32504663.

36640523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36640523 - 2⁴ = 36640507 is a prime.

It is not a weakly prime, because it can be changed into another prime (36640553) 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 as a sum of consecutive naturals, namely, 18320261 + 18320262.

It is an arithmetic number, because the mean of its divisors is an integer number (18320262).

Almost surely, 2^36640523 is an apocalyptic number.

36640523 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640523 is an equidigital number, since it uses as much as digits as its factorization.

36640523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 36640523 is about 6053.1415810305. The cubic root of 36640523 is about 332.1395207611.

The spelling of 36640523 in words is "thirty-six million, six hundred forty thousand, five hundred twenty-three".