36523621 has 2 divisors, whose sum is σ = 36523622. Its totient is φ = 36523620.

The previous prime is 36523601. The next prime is 36523649. The reversal of 36523621 is 12632563.

36523621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (36523649) can be obtained adding 36523621 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36180225 + 343396 = 6015^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 36523621 - 2⁵ = 36523589 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36523621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36523601) 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, 18261810 + 18261811.

It is an arithmetic number, because the mean of its divisors is an integer number (18261811).

Almost surely, 2^36523621 is an apocalyptic number.

It is an amenable number.

36523621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36523621 is an equidigital number, since it uses as much as digits as its factorization.

36523621 is an odious number, because the sum of its binary digits is odd.

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

The square root of 36523621 is about 6043.4775584923. The cubic root of 36523621 is about 331.7859128073.

The spelling of 36523621 in words is "thirty-six million, five hundred twenty-three thousand, six hundred twenty-one".