36921593 has 2 divisors, whose sum is σ = 36921594. Its totient is φ = 36921592.

The previous prime is 36921587. The next prime is 36921613. The reversal of 36921593 is 39512963.

36921593 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 can be written as a sum of positive squares in only one way, i.e., 35557369 + 1364224 = 5963^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 36921593 - 2¹⁸ = 36659449 is a prime.

It is not a weakly prime, because it can be changed into another prime (36921193) 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, 18460796 + 18460797.

It is an arithmetic number, because the mean of its divisors is an integer number (18460797).

Almost surely, 2^36921593 is an apocalyptic number.

It is an amenable number.

36921593 is a deficient number, since it is larger than the sum of its proper divisors (1).

36921593 is an equidigital number, since it uses as much as digits as its factorization.

36921593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 38.

The square root of 36921593 is about 6076.3140965556. The cubic root of 36921593 is about 332.9866407600.

The spelling of 36921593 in words is "thirty-six million, nine hundred twenty-one thousand, five hundred ninety-three".